Top Sea to Summit 3 Season Sleeping Bags


Our review process

Our team has gathered, researched, and analyzed information on hundreds of various types of sleeping bags in order to show you our highest rated sleeping bags on the market. We then further sub-categorized them and looked more specifically at 12 different Sea to Summit 3 season sleeping bags. In our research, we took into consideration a variety of different key features among the 28,000 different data parameters and combined it with customer reviews to inform you of the finest Sea to Summit 3 season sleeping bags available on the market. But don't just take our word for it, check out some of the pros and cons of some of the main specs.

A good sleeping bag is vital for a great night's sleep, which is why deciding on a brand you can trust is so important. Before you buy a Sea to Summit 3 season sleeping bag, we've put together some helpful information on Sea to Summit. The company is an acclaimed Australian brand in the sleeping bag industry that has been improving sleep quality in the outdoors since 1984. Sea to Summit designs many types of sleeping bags, committing to provide shoppers with versatile and high quality outdoor products. Sea to Summit has a rigorous testing system to ensure they meet EN standard ratings, allowing more accurate comparisons between sleeping bags. With the option of buying sleeping bags in stores, Sea to Summit gives you the chance to try out loads of comfortable sleeping bags prior to making this big decision. Having won the Editor's Choice Award 2016 Award, Sea to Summit is always striving to make exceptional quality products for its customers. The company has award-winning products such as the Basecamp™ sleeping bag, which is highly rated by consumers. Sea to Summit specializes in making packs, bags, backpacks, shelters, and camping accessories in addition to sleeping bags. Sea to Summit sleeping bags are manufactured using recyclable materials. Developing innovative features, such as Ultra-Dry Down™ and WaveLoft™, Sea to Summit works to create technologies that accommodate in extreme harsh weather conditions. The company has partnered with Pacagon to strengthen the brand's reach and test their gear in the best possible way. Sea to Summit has various sleeping bags available, such as Sea to Summit 3 season sleeping bags. 3 season sleeping bags are best for colder weather camping trips in spring through to autumn, sealing out chilly drafts so you'll stay cozy and warm all through the night. They can keep you warm in most conditions, except for when there is frost or snow on the ground, so they are a very practical option for those who know they won't be camping out in extreme cold conditions.

Our Top Ranking Sleeping Bags:
Our Top Ranking Sleeping Bags
Customer Rating
Shape
rectangle
Size
single
Customer Rating
Shape
mummy
Size
single
Customer Rating
Shape
mummy
Size
single
Customer Rating
Shape
mummy
Size
single
Best Overall Score
An image of Sea to Summit Trek 041-RL-Parent Sleeping Bag

Before purchasing the Sea to Summit Trek Rectangular Sleeping Bag, it's helpful to know more. This Sea to Summit sleeping bag has a rectangular shape, so you will have plenty of room to move around. Ideal for summer, this 3 season sleeping bag is built with a light design that focuses on airflow and ventilation, which is great for warmer weather. It has 2D Permashell, which is a highly breathable, water-resistant, very insulated material that is treated with DWR and will keep you dry. This sleeping bag is lightweight and works well for hiking trips, so it is compact and easy to fit in your pack, making it comfortable to carry no matter the distance.

    Pros
    • Lightweight build
    • Suitable for summer temperatures
    • Rectangular shape is built with extra space
    Cons
    • Rectangular shape is heavier than other shapes
    • 3 season sleeping bags are not suitable for harsh winter weather
Runner Up
An image of Sea to Summit Talus TS I Women's Sleeping Bag

Choose the Sea to Summit Talus TS I Women's Mummy Sleeping Bag to stay warm in the outdoors. Tailored for women, this Sea to Summit sleeping bag gives more insulation at the feet and torso as women generally are naturally colder than men. It is lightweight and is ideal for backpacking, so if you don't want to carry a lot of weight this could be a great choice for you. Featuring a mummy shape, it is fitted to prevent warm air from escaping. Designed from nylon ripstop shell fabric, it is durable, so it will not wear down after being exposed to rough terrain.

This 3 season Sea to Summit sleeping bag is best suited for summer, spring and fall trips. This Sea to Summit sleeping bag detaches via zippers, so you can easily transform your double bag into two individual ones. It has wind-resistant technology, which will add an extra layer of insulation. It comes with a laundry bag and features a compression bag, which will make packing up your bag hassle-free. This Sea to Summit sleeping bag has Thermolite Extra material, which is made up of hollow-core fibers that trap air, which keeps you warmer as your body heat remains inside the sleeping bag.

    Pros
    • Women's design has extra padding by your extremities
    • Lightweight build, making it easy for kids to carry with them
    • Nylon ripstop shell will resist wear and tear and potential holes or rips
    Cons
    • Mummy shape has a tight fit which can be too cramped for some
    • 3 season sleeping bags are not suitable for harsh winter weather
    • Women's sleeping bags do not always fit taller women
For Backpacking
An image of Sea to Summit Talus TS I Nylon Sleeping Bag

You'll want to learn all about the Sea to Summit Talus TS I Nylon Mummy Sleeping Bag to discover what sets it apart from all the other sleeping bags on the market. This sleeping bag has a nylon lining, which feels breathable and soft and will remain at a comfortable temperature. With a mummy shape, it is made for optimal warmth-to-weight ratio, since it is cut closely so there is no excess material, reducing the weight and making it easier to carry. This 3 season sleeping bag is best suited for summer, spring and fall trips. It is designed for hiking and is lightweight, making it great if your number one priority is low volume and weight. This sleeping bag has 2D Nanoshell, which provides a high level of wind and water resistance in order to prevent rain or dew from soaking through the fabric. Featuring a compressible design, it will fold up compactly, leaving you ample room for all your other essentials. It is thermal, so you can stay warm every night. This sleeping bag has a laundry bag and features a compression bag, which provides you with the perfect space to pack away your sleeping bag and any other small items. It detaches via zippers and includes an interior pocket, so you can stash your important items, such as your watch.

    Pros
    • Features a compressible design
    • Lightweight construction
    • Nylon lining will stay at a comfortable temperature
    Cons
    • Nylon will pill with extended use
    • Mummy shape does not have extra space to move around
    • 3 season sleeping bags are not suitable for harsh winter weather
For Cold Weather
An image of Sea to Summit Talus Series TSI 20 Degree Sleeping Bag

With the Sea to Summit Talus Series TSI 20 Degree Mummy Sleeping Bag, you can experience an incredible night's sleep while on your trip. This sleeping bag has a mummy shape, which is wider on top and more fitted by the feet, keeping warm air close to your body. It has 2D Nanoshell, which provides a high level of wind and water resistance in order to prevent rain or dew from soaking through the fabric. It is lightweight and is made for camping, offering cozy warmth and good compressibility. This 3 season Sea to Summit sleeping bag is best suited for summer, spring and fall trips. This sleeping bag has wind-resistant technology, which adds an extra layer of insulation. Featuring an interior pocket, it has a convenient place to store essentials. It features a 20°F temperature rating and is waterproof, making it a good choice for rainy environments.

    Pros
    • Lightweight construction
    • Mummy shape is suitable for hiking
    • Single size sleeping bags have great insulation
    Cons
    • Mummy shape restricts different sleeping positions
    • Camping sleeping bags are not suitable for hiking
    • 3 season sleeping bags can not be used all year
Additional Picks
An image of Sea to Summit Basecamp BT 3 097L-Parent Sleeping Bag

Use the Sea to Summit Basecamp BT 3 Rectangular Sleeping Bag to stay warm and cozy in the outdoors. Featuring a nylon ripstop exterior, this sleeping bag works well in extensive use since it won't rip or tear. It has a rectangular shape, allowing you to comfortably sleep on your side, back, or stomach without feeling restricted. This 3 season Sea to Summit sleeping bag is best suited for summer, spring and fall trips. It has a zipper guard, preventing the material from snagging when opening and closing the zipper. This sleeping bag is perfect for camping and is lightweight, making long days out on the trail easier to tackle. It has Thermolite® HL-1 technology, which uses a high loft synthetic insulation to create lightweight warmth and excellent durability. It detaches via zippers, so you can easily split your double bag into two individual ones.

    Pros
    • Zipper guard prevents the fabric from snagging
    • Lightweight build, making it easy for kids to transport
    • Nylon ripstop exterior will resist wear and tear and potential holes or rips
    Cons
    • Rectangular shape is not the warmest option
    • Camping sleeping bags are heavier than backpacking bags
    • 3 season sleeping bags are not suitable for harsh winter weather
An image of Sea to Summit Talus TS I 051LL-Parent Men's Sleeping Bag

If you're looking for a new sleeping bag, you might want to consider the Sea to Summit Talus TS I Men's Mummy Sleeping Bag, which is rated very highly among customers. This sleeping bag has a mummy shape, which is larger on top and more tapered on the bottom, keeping warm air closer to you. It features 2D Nanoshell, which provides a high level of wind and water resistance in order to prevent moisture from soaking through the fabric. Featuring a nylon ripstop shell, it is durable, so it will not wear out after being exposed to rough conditions. It is suitable for 3 seasons, so you can sleep warm on colder summer, spring and fall nights.

This sleeping bag detaches via zippers and is equipped with a zipper guard, keeping the fabric from snagging when opening and closing the zipper. It has a drawstring hood and includes an interior pocket, so you will have a spot to conveniently stash your possessions, such as a charger or a flashlight. With a compressible design, it packs easily into a hiking backpack or bag. It is lightweight, so you can take it on every trip you embark on without being weighed down. This Sea to Summit sleeping bag comes with a laundry bag and has a compression bag, which will make packing up your bag very easy.

    Pros
    • Features a compressible design
    • Zipper guard prevents the fabric from ripping
    • Drawstring hood gives extra cushion by the head
    Cons
    • Mummy shape has a tailored fit which can be too cramped for some
    • 3 season sleeping bags are not suitable for harsh winter weather
An image of Sea to Summit Latitude LT I Women's Sleeping Bag

With the Sea to Summit Latitude LT I Women's Sleeping Bag, you can experience a great night's sleep while on your outdoor adventure. This women's Sea to Summit sleeping bag has extra padding at the feet and torso as women generally are naturally colder than men. This 3 season Sea to Summit sleeping bag is best suited for summer, spring and fall trips. This Sea to Summit sleeping bag has 2D Nanoshell, which provides a high level of wind and water resistance in order to prevent moisture from soaking through the fabric. With a lightweight build, it won't hurt your shoulders to carry. It has a compression bag, which provides you with the perfect space to pack away your sleeping bag and any other small items. Equipped with an interior pocket, it has a convenient spot to stash small objects.

    Pros
    • Women's cut has extra padding by your extremities
    • Lightweight construction
    • 3 season sleeping bag can withstand low temperatures
    Cons
    • 3 season sleeping bags are not suitable for harsh winter weather
    • Women's sleeping bags do not always fit tall women
An image of Sea to Summit Latitude LT II Women's Sleeping Bag

With a high user rating, the Sea to Summit Latitude LT II Women's Mummy Sleeping Bag could be exactly what you need for your next outdoor adventure. This sleeping bag has a mummy shape, which is wider on top and more tapered on the bottom, keeping warm air closer to you. Great for women, it has extra insulation at the feet and torso as women usually have naturally lower body temperatures than men. It is suitable for 3 seasons, so you can sleep warm on colder summer, spring and fall nights. It is ideal for camping and is lightweight, making it great for hiking or traveling long distances on foot. This sleeping bag has 2D Nanoshell, which provides a high level of wind and water resistance in order to prevent rain or dew from soaking through the fabric. It has a laundry bag and features a compression bag, which will make storing your sleeping bag very easy. With an interior pocket, it has a handy spot to stash important objects.

    Pros
    • Women's design has extra insulation by your extremities
    • Features lightweight construction
    • Mummy shape has great insulation
    Cons
    • Mummy shape has a tight fit which can be too cramped for some
    • Camping sleeping bags are not suitable for backpacking
    • 3 season sleeping bags can not be used year round
An image of Sea to Summit Micro MCII Men's Sleeping Bag

Let's review the Sea to Summit Micro MCII Men's Mummy Sleeping Bag, rated highly by online shoppers. This sleeping bag has a mummy shape, which is larger on top and more tapered by the feet, keeping warm air closer to you. It has a compressible design, so your sleeping bag will not take up a lot of room, leaving you with enough space to bring along your other gear. Good for summer, this 3 season sleeping bag is built with a light design that focuses on breathability and ventilation, which is intended for warmer temperatures. It features 2D Nanoshell, which provides a high level of wind and water resistance in order to prevent moisture from soaking through the fabric. This sleeping bag is ideal for camping and is lightweight, making it great for hiking or traveling long distances on foot. It features a compression bag, which provides you with the perfect space to pack away your sleeping bag and any other small items.

    Pros
    • Made to compress easily
    • Lightweight construction
    • Suitable for warm summer temperatures
    Cons
    • Mummy shape has a tight cut which can be too cramped for some
    • Camping sleeping bags are not suitable for backpacking
    • 3 season sleeping bags can not be used all year
An image of Sea to Summit Trek-TKII 042LL 20 Degree Sleeping Bag

Looking for your next backpacking sleeping bag? You'll want to know about the Sea to Summit Trek-TKII 20 Degree Mummy Sleeping Bag. With a mummy shape, this Sea to Summit sleeping bag is tight fitting to prevent warm air from escaping. This 3 season sleeping bag is best suited for summer, spring and fall trips. It has a 20°F temperature rating, designed for warmth when outdoor temperatures are in the 20s or above. With a compressible design, it will fold up very small, leaving you ample space for all your other essentials. Made for backpacking, this Sea to Summit sleeping bag won't weigh you down while you're taking on the outdoors.

    Pros
    • Compresses easily
    • Mummy shape is excellent for backpacking
    • Single size sleeping bags have good insulation
    Cons
    • Mummy shape restricts different sleeping positions
    • 3 season sleeping bags are not suitable for harsh winter weather
If You Need Help Making Your Choice, Here's Some More Information About Sea to Summit 3 Season Sleeping Bags:
The Best Shape for Your Sea to Summit 3 Season Sleeping Bag
Rectangular Sleeping Bags

Are you looking to buy a new sleeping bag that will offer tons of room to stretch out? We have seven rectangle sleeping bags available. Click here to take a look at one now. These sleeping bags have a spacious design, so they are ideal for people who feel too claustrophobic by the tight mummy shape. They feature double zippers, which allow you to turn the bag into a flat blanket, for warmer nights. Rectangular sleeping bags accommodate varying sleeping positions, so if you move around a lot at night, you'll have the space and freedom to sleep in any position you choose. One downside is that they are quite heavy, so they aren't convenient for when weight is a concern. On top of that, they don't trap and heat the air around your body as well as other designs do, allowing the cool air to circulate since they have a more spacious design.

Mummy Sleeping Bags

Trying to decide on the most suitable mummy sleeping bag for you? We'll help you make your choice by giving you the information that you need. Mummy sleeping bags weigh less than rectangular bags, so they are best when you need maximum warmth and minimal weight. However, they provide less space to move around, making them uncomfortable for sleepers who toss and turn. A plus is that they are good for cold weather, providing maximum warmth, since their tight fitting cut is designed to trap body heat. Think you know which shape is perfect for you? Then why not start by looking at this fantastic product.

Know the Difference Between the Types of Liner Materials for Sea to Summit 3 Season Sleeping Bags
Down Sleeping Bags

There is only one Sea to Summit 3 season sleeping bag available that has a down liner. These sleeping bags can be easily compressed, giving you extra room for all the food and gear you may want to bring along on your trip so you won't feel limited on space when packing. They are designed to be insulated, so they trap your body heat very well, keeping you warm regardless of the weather. Down sleeping bags are designed with durable materials, so they will not unravel or tear after a lot of use. Perfect for extra cold nights in the woods, they will keep you snug and cozy. They are very comfy, so you can get a good night's sleep after a long day in the outdoors. Made with breathable material, they won't stick to your skin or make you feel overheated on warmer nights.

Nylon Sleeping Bags

Are nylon sleeping bags the best choice for you? Take a look at this particular Sea to Summit 3 season sleeping bag with a nylon liner that we picked out for you. These sleeping bags are very comfy, so you'll wake up feeling well rested. They are easy to clean, so you won't have to send them to dry cleaning. They are extremely durable, so you can go years before needing to replace them. These sleeping bags dry quickly, reducing the overall amount of water trapped and absorbed by the material. They are designed to be lightweight, so they are ideal for long-distance backpacking trips or other adventures where weight and volume are a priority.