Big Agnes Women's Sidewinder SL 20 terramar and ½" (15 mm) closed-cell

and ½" (15 mm) closed-cell base layer

accurate measuring

The single best accessory you'll ever have for snowshoeing

Outside lower zip pocket dimensions: 7" x 4"

Big Agnes Women's Sidewinder SL 20 terramar and ½" (15 mm) closed-cellSpecifically 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