REI Outlet

Sleeping Bags

Sea to Summit Altitude AtII 15 Sleeping Bag – Women’s

Introducing the Sea to Summit Altitude AtII 15 – a game changer in the camping gear industry designed specifically for women. An exceptional blend of form, function, and comfort, this sleeping bag is tailored to accommodate the contours of the female form and the insulation is specially placed to provide extra heat.

The Sea to Summit Altitude AtII 15 sleeping bag breaks the mold when it comes to construction, efficiency, and reliability in outdoor gear. With a focus on versatility and adaptability, this sleeping bag is made from high-quality, durable material that is aimed at providing the best warmth-to-weight ratio possible.

Crafted with a lightweight 20D nylon shell, it features a robust and durable exterior that’s resistant to the harsh external environment while being conveniently lightweight. The interior is encased in a soft 20D nylon lining, providing an inviting and comfortable space similar to your bed at home.

This sleeping bag’s core parameter is its thermal efficiency that ensures you stay warm even in temperatures as low as 15°F. This is achieved through the effective RDS 750+ Loft ULTRA-DRY Down insulation, offering great warmth, superb loft, and excellent compression characteristics. It makes the Altitude AtII a suitable selection for hikers and campers braving colder climates.

However, the most defining aspect of this sleeping bag is its tailored shape and unique features explicitly designed for women. With a wider hip region and shorter overall length compared to an average sleeping bag, it caters to a woman’s anatomical needs. Additionally, it comprises of extra down around the chest and foot sections to ensure excellent insulation where women often feel the cold the most.

Another beneficial feature is the Altitude’s Free-Flow triple-zip design. This system ensures your sleeping bag adapts as the temperature changes, offering unparalleled ventilation options. The half zip on the right opens the bag up for versatile use as a comforter while the full-length two-way left side zip provides unmatched accessibility and ventilation from top to bottom.

Complementing its thoughtful design, the Altitude AtII also incorporates an internal pocket, a substantial hood, and a zipper draft tube with an anti-snag system. The zipper draft tube is especially helpful in preventing heat loss, while the anti-snag system keeps the fabric from getting caught in the zipper. The roomy foot box with a 3D NanoShell provides a comfortable area for your feet, helping to ensure good blood circulation throughout the night.

Additional thoughtfulness also extends to its packability. The sleeping bag comes with a lightweight Ultra-Sil compression bag for compact storage and portability, making it perfect for backpacking adventures. Also included is a storage cell to maintain the down’s loft while it’s stored for longer periods.

In conclusion, the Sea to Summit Altitude AtII 15 Sleeping Bag – Women’s is a specially designed, sophisticated piece of adventure gear that prioritizes comfort, warmth, and essentially, versatility. It offers campers and outdoor enthusiasts a reliable and adaptable sleeping solution that can transition seamlessly through changing weather conditions while maintaining its primary function – ensuring a cozy and restful night’s sleep in the great outdoors.

This high-performing sleeping bag is an exceptional investment, aiding you in your quests and adventurous endeavors in the outdoor world, always ensuring your comfort and warmth even miles away from civilization. It ensures that you wake up rejuvenated, ready to embrace the next day of adventure after an incredibly comfortable sleep under the canvas of stars.

Read more about Sea to Summit Altitude AtII 15 Sleeping Bag – Women’s at Find the specs, the best price, and compare it to other similar products.


Weight 3 lbs 3 oz
Product Brand Sea to Summit
Sea to Summit Sleeping Bags

Added: October 4, 2023

* Prices are updated daily from the best online outdoor stores. Please check sites for the latest best price.


Sea to Summit Altitude AtII 15 Sleeping Bag – Women’s

Sea to Summit Altitude AtII 15 Sleeping Bag – Women’s

There are no reviews of Sea to Summit Altitude AtII 15 Sleeping Bag – Women’s.