Therm A Rest Boost 650 32F 0C Sleeping Bag Sweaters & Sweatshirts two button closure GB00642 Brown 080M two button closure One inch diameter extension mast Weight 1 lb 9 oz (804 g) 2 lb 2 oz (950 g) 2 lb 2 oz (952 g) 2 lb 8 oz (1121 g) 2 lb 7 oz (1099 g) 2 lb 14 oz (1317 g) EN Comfort 41 F (5 C) 41 F (5 C) 41 F (5 C) 41 F (5 C) 41 F (5 C) 41 F (5 C) EN Limit 32 F (0 C) 32 F (0 C) 32 F (0 C) 32 F (0 C) 32 F (0 C) 32 F (0 C) EN Extreme 5 F ( 15 C) 5 F ( 15 C) 5 F ( 15 C) 5 F ( 15 C) 5 F ( 15 C) 5 F ( 15 C) Fits 66 in (168 cm) 66 in (168 cm) 72 in (183 cm) 72 in (183 cm) 78 in (198 cm) 78 in (198 cm) Length 73 in (188 cm) 73 in (188 cm) 80 in (203 cm) 80 in (203 cm) 85 in (216 cm) 85 in (216 cm) Girth Shoulder 63 in (160 cm) 75 in (191 cm) 64 in (163 cm) 76 in (193 cm) 65 in (165 cm) 77 in (196 cm) Girth Hip 59 in (150 cm) 73 in (185 cm) 60 in (152 cm) 74 in (188 cm) 61 in (155 cm) 75 in (191 cm) Girth Foot Box 61 in (155 cm) 61 in (155 cm) 61 in (155 cm) 61 in (155 cm) 61 in (155 cm) 61 in (155 cm) Packed Dimensions 8 x 6 around your core and shoulders) and reduces it where it’s less efficient (on the bottom)