Built for the campsite and the trail, the 20°F (-7°C) Stormbreak 20F features elevated technical and lightweight materials and quality trims along with high-performance HEATSEEKER™ PRO insulation for versatile warmth. Soft vertical quilting keeps the bag stretchy in the lower-leg area while the full-length center zip is super comfortable for side sleepers so you can get a good night’s slumber. Specifications Sizes: S, R, L Temp Rating: 20°F / -7°C Total Weight: short - 3 lbs 2 oz (1416 g) / reg - 3 lbs 6 oz (1537 g) / long - 3 lbs 11 oz (1667 g) Stuffed Size: 8.5" x 18" (22 cm x 46.5 cm) Internal Length: short - 72" (183 cm) / reg - 78" (198 cm) / long - 84" (213 cm) Max User Height: short - 5'6" (168 cm) / reg - 6' (183 cm) / long - 6'6" (198 cm) Shoulder Circ: short - 62" (157 cm) / reg - 64" (163 cm) / long - 66" (168 cm) Hip Circ: short - 58" (147 cm) / reg - 59" (150 cm) / long - 60" (152 cm) Foot Circ: 45" (114 cm) Fabrics outer shell: 30D x 30D recycled polyester with non-PFC durable water-repellent (non-PFC DWR) finish lining: 20D recycled polyester with non-PFC DWR finish insulation: HEATSEEKER™ PRO 85% post-consumer recycled polyester Features Two-way center YKK® anti-snag zip has large, easy-to-use pulls and is comfortable for side sleepers Zip extends over the full length of the bag so you can vent from the bottom while leaving the top closed Vertical quilting creates stretchier fabric that allows for movement in the lower legs HEATSEEKER PRO™ high-performance synthetic insulation is made with microfiber technology and offers an excellent warmth-to-weight ratio, packability and loft recovery Compression stuffsack included