Big Agnes Women's Sidewinder SL 20 terramar 9 lbs of flotation in

9 lbs of flotation in the XS/M and 17

accurate measuring

Insulated tube and bite valve cover

and ½" (15 mm) closed-cell base layer

Big Agnes Women's Sidewinder SL 20 terramar 9 lbs of flotation inSpecifically designed for those who sleep on their sides, the patent pending Sidewinder Series was engineered to ensure warmth, comfort, and ease of use no matter which side you're on. Constructed with features you expect from a traditional mummy bag with additional body mapped insulation to optimize warmth where you need it and minimize pressure points and other side effects. The Sidewinder SL is a side sleepers dream bag with technical features that