Best Mountain Warehouse Rectangular Sleeping Bags of 2025

Luke Dobson Avatar
Luke Dobson
Last Updated: 10 Feb 2025

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If you're an avid camper or hiker, you know that a good sleeping bag is essential for a good night's sleep in the great outdoors. The rectangular sleeping bags from Mountain Warehouse offer a comfortable and practical option for your next adventure. With a variety of sizes and colours available, these sleeping bags are suitable for all ages and are made with high-quality materials to ensure durability and warmth. Whether you're camping in the mountains or simply having a backyard sleepover, these sleeping bags are a great choice to keep you snug and cosy throughout the night.

At a Glance: Our Top Picks

Mountain Warehouse Sutherland Warm Sleeping Bag Cover #TOP 1
Mountain Warehouse Sutherland Warm Sleeping Bag
ftb score rating icon 9.8
Mountain Warehouse Basecamp 250 Sleeping Bag Cover #TOP 2
Mountain Warehouse Basecamp 250 Sleeping Bag
ftb score rating icon 9.7
Mountain Warehouse Apex 250 Square Sleeping Bag Cover #TOP 3
Mountain Warehouse Apex 250 Square Sleeping Bag
ftb score rating icon 9.5

Top 7 Mountain Warehouse Rectangular Sleeping Bags

Mountain Warehouse Sutherland Warm Sleeping Bag

021767026001
Khaki
One Size
Mountain Warehouse Sutherland Warm Sleeping Bag Cover
Mountain Warehouse Sutherland Sleeping Bag - 3/4 Season, Warm & Cosy, Fleece Lined Sleep Essential - For Spring Summer, Fishing, Camping, Hiking Khaki

The Sutherland Sleeping Bag from Mountain Warehouse is designed for comfort and warmth during your outdoor adventures. With an extreme rating of -18°C, it ensures survival in harsh conditions, though it's best used at a comfort temperature of 3°C to -2°C. Perfect for 3/4 season use, this bag is ideal for cold nights and early winter trips. Its hollow fibre stuffing provides a cosy sleeping experience while the envelope shape offers plenty of space for movement.

What We Like
Extreme temperature rating
Comfortable for cold nights
3/4 season versatility
Cosy hollow fibre insulation
Spacious envelope shape

Mountain Warehouse Basecamp 250 Sleeping Bag

023156050001
Teal
One Size
Mountain Warehouse Basecamp 250 Sleeping Bag Cover
Mountain Warehouse Sleeping Bag - Basecamp 250 - Camping Spring Summer Season Lightweight Compact - For Spring Summer, Camping & Trekking Teal

The Basecamp 250 Sleeping Bag is designed for comfort during the spring and summer seasons. With an extreme rating of 2°C, it ensures you stay warm in survival situations, while the comfort temperature range of 5°C to 15°C is perfect for a restful night's sleep. Being a 2-season bag, it is ideal for warm nights and indoor use. The hollow fibre insulation provides a cosy feel, making it a great choice for your camping and trekking adventures.

What We Like
Lightweight and compact design
Comfortable mummy shape
Suitable for warm nights
Hollow fibre insulation
Versatile for camping and indoor use
#TOP 3

Mountain Warehouse Apex 250 Square Sleeping Bag

022544025001
Green
One Size
Mountain Warehouse Apex 250 Square Sleeping Bag Cover
Mountain Warehouse Apex 250 Square Sleeping Bag - Durable, Insulated, Lightweight, Warm & Comfortable Bag wit Carry Bag - For Spring Summer Hiking & Camping Green

The Apex 250 Sleeping Bag is designed for your comfort during spring and summer hiking and camping. With an extreme rating of -0°C, it provides a survival option for unexpected cold nights. However, you'll find it most comfortable between 6°C to 10°C, making it ideal for warm nights and indoor use. The hollow fibre insulation ensures you stay cosy and snug, while the left-hand zip is conveniently positioned for right-handed users, making it easy to get in and out.

What We Like
Durable and lightweight design
Comfortable insulation for warmth
Ideal for summer use
Convenient left-hand zip
#TOP 4

Mountain Warehouse Summit Mini Square Sleeping Bag

023153042001
Purple
One Size
Mountain Warehouse Summit Mini Square Sleeping Bag Cover
Mountain Warehouse Summit Mini Square Sleeping Bag - 2/3 Season, Lightweight, Inner Pocket - For Spring Summer, Camping & Trekking Purple

The Summit Mini Sleeping Bag from Mountain Warehouse is designed for outdoor enthusiasts looking for a lightweight option. With an extreme rating suitable for temperatures as low as -10°C, it ensures you stay warm during survival situations. Its 2/3 season capability makes it ideal for cooler nights in spring and autumn, perfect for festivals and backpacking trips. The envelope shape provides ample space for a comfortable night’s sleep, while the drawcord hood helps retain body heat, ensuring you're snug and warm.

What We Like
Lightweight and portable
Suitable for colder temperatures
Spacious envelope design
Hood retains body heat
Inner pocket for valuables
#TOP 5

Mountain Warehouse Microlite 500 Sleeping Bag

024194020004
Dark Grey
Mountain Warehouse Microlite 500 Sleeping Bag Cover
Mountain Warehouse Microlite 500 Square Sleeping Bag - 2/3 Season Camping Bag with Inner Pocket - For Spring Summer, Festivals & Outdoors Dark Grey Right Handed Zip - Regular length (200cm)

The Microlite 500 Sleeping Bag from Mountain Warehouse is designed for cooler nights during spring and autumn, making it ideal for festivals and backpacking trips. With an extreme temperature rating of -5°C, it can keep you safe in survival situations, though it is primarily comfortable between 12°C and 6°C. The regular length of 200cm is suitable for users up to 180cm tall, ensuring that most campers can find a fit. This sleeping bag also features a convenient inner pocket for storing small items, adding to your comfort and convenience while sleeping outdoors.

What We Like
Suitable for 2/3 seasons
Comfortable at 12°C to 6°C
Extreme rating for emergencies
Inner pocket for convenience
Available in long length
#TOP 6

Mountain Warehouse Microlite 950 Square Sleeping Bag

030021006006
Blue
Mountain Warehouse Microlite 950 Square Sleeping Bag Cover
Mountain Warehouse Microlite 950 Square Sleeping Bag - Compact Camping Sleep Bag, Lightweight, Ripstop Fabric - Best for Trekking, Travelling, Hiking Blue Right Handed Zip - Long length (215cm)

The Microlite 950 Sleeping Bag is designed for three-season use, making it ideal for chilly nights during early spring and late autumn. Its microfibre insulation ensures excellent heat retention, so you can stay warm and comfortable while you sleep. With a long length of 215cm, it accommodates users up to 195cm tall, providing ample space for taller campers. The ripstop fabric adds durability, preventing rips and tears, which is essential for long-lasting outdoor adventures.

What We Like
Lightweight and compact design
Excellent heat retention
Durable ripstop fabric
Accommodates tall users
Inner pockets for valuables
#TOP 7

Outwell Celebration Lux 4ºc Long Sleeping Bag

230361
One Size
Outwell Celebration Lux 4ºc Long Sleeping Bag Cover
Outwell Celebration Lux 4ºc Sleeping Bag Long

The Outwell Celebration Lux Sleeping Bag is designed for comfort and warmth. Its rectangular shape offers plenty of space for you to move around while you sleep, ensuring a restful night. The vibrant red colour makes it a stylish choice for camping trips. With a temperature rating of 4ºc, you can enjoy a cosy sleep even in cooler conditions, making it perfect for various outdoor adventures. This sleeping bag caters to your needs by providing both functionality and a touch of flair.

What We Like
Spacious rectangular design
Stylish red colour
Comfortable in 4ºc temperatures
Convenient for outdoor adventures
Buying Guide Image
Editor's Notes

During our Mountain Warehouse rectangular sleeping bag research, we found 7 Mountain Warehouse rectangular sleeping bag products and shortlisted 7 quality products. We collected and analyzed 8,507 customer reviews through our big data system to write the Mountain Warehouse rectangular sleeping bags list. We found that most customers choose Mountain Warehouse rectangular sleeping bags with an average price of £34.51.

The Mountain Warehouse rectangular sleeping bags are available for purchase. The top 7 picks range in price from a low of £20.00 to a high of £49.00, find the one that fits your budget. The seller of top 1 product has received honest feedback from 4,783 consumers with an average rating of 4.7.

Written by
Luke Dobson Avatar

Luke is a runner, a climber, hiker, hunter, and a lot more. Luke Dobson is Celtic-born and has lived most of his life in Scotland. However, his sporting endeavours have taken him to several countries around Europe. He serves as a tour guide for countless companies and owns a couple of gyms and recreational centres in Scotland. Luke Dobson is proficient in 7 different languages. He maintains many sport article columns where he shares his wealth of experience in the sport industry.