W's Greystone 20 (650 RDS DownTek) blue 4-base lens curvature is just

4-base lens curvature is just right for everyday wear

The technical Power Grid™ fleece fabric has a smooth exterior and a waffle grid structure on the inner face for great comfort

a biologist

close-to-body AirScape™ backpanel and continuous-wrap harness and hipbelt that move with you

W's Greystone 20 (650 RDS DownTek) blue 4-base lens curvature is justOur Women's Greystone 20 mummy style sleeping bag delivers value and performance in a lightweight bag with sustainability in mind. Ideal for backpacking but versatile enough for couch surfing, the Greystone sleeping bags feature 650 fill DownTek insulation, recycled shell and lining fabrics, and a water resistant coating to repel moisture. This bag is your ticket to getting out there in comfort and warmth