Sea to Summit Women's Altitude At 2 Sleeping Bag

The Sea to Summit Women's Altitude At 2 has more space than a traditional mummy bag, but still offers the thermal efficiency you need when the temperature drops. Weighing in around 3 pounds, the gender-specific design utilizes water resistant 750+ fill down to provide female sleepers with warmth rated to 15 degrees Fahrenheit.

The Altitude's anatomic design has narrower shoulders and more room in the hips than Sea to Summit's standard bags to better serve the needs of women sleepers. The bag's down insulation is body-mapped to provide more warmth in the torso and foot areas, and the footbox also incorporates synthetic Thermolite insulation for extra warmth. Utilizing compressible and warm 750+ RDS-certified Ultra-Dry Down fill, the bag uses both horizontal and vertical baffles to keep the insulation from migrating and creating cold spots. Down feathers are renowned for their efficiency in retaining heat and compressibility, and despite advances in synthetic materials, continue to provide the best warmth-to-weight ratio of any insulation available. The one inherent weakness of down insulation is that it loses much of its ability to maintain warmth when it gets wet, but this bag's Ultra-Dry Down fill performs differently. Ensuring consistent thermal performance, a hydrophobic treatment enables the insulation to stay dry longer and dry faster if it should become wet than traditional down insulation.

The bag has a protective 20D nylon shell and lining with soft-touch fabrication that provides next-to-skin comfort. A full length side zip, foot zip, and half side zip provide multiple ventilation options and allows the bag to be laid flat like a quilt. An oversized zipper draft tube uses anti-snag materials. A 3D insulated hood and neck draft collar trap warmth in the bag. An integrated pocket safely stores small valuables. An Ultra-Sil Compression Bag is included for compact storage.

The Sea to Summit Women's Altitude At 2 sleeping bag is available in your choice of Regular (fits up to 5' 7") and Long (up to 6' 0") size options.