Western Mountaineering Bristlecone MF Sleeping Bag -10F/-23C RZ Forest Green 6ft. 0in.. This bag is built big and warm and big 69" of girth at the shoulder and 48" of girth at the foot. Crammed with 42 oz. of 850+ down yields an unrelenting 8 1/2" of simmering loft that keeps you heated to -10 . A large draft tube and the down filled collar make certain that winter remains outside. With 2 zippers it can be zipped to other Western Mountaineering mummy bags or unzipped to lie flat. In spite of its roomy proportions the Bristlecone weighs only 3 lbs. 15 oz. Specifications for Western Mountaineering Bristlecone MF -10 Sleeping Bag: Manufacturer: Western Mountaineering Color: Forest Green Temperature Rating: -10 Fahrenheit Bag Shape: Mummy Insulation: 850 Fill Goose Down Insulation Weight: 0 Gender: Unisex User Height: 6 ft 0 in (Regular);6 ft 6 in (Long) Shoulder Girth: Regular (6 ft 0 in) 69 in / 175 cm Long (6 ft 6 in) 69 in / 175 cm Foot Girth: Regular (6'0 in.) 48 in / 122 cm Long (6'6 in.) 48 in / 122 cm Hip Girth: Regular (6 ft 0 in) 61 in / 155 cm Long (6 ft6 in) 61 in / 155 cm Packed Size: 10 x 20 in / 25 x 50 cm Weight: 4 lb Age Group: Adults Condition: New Application: Backpacking Mountaineering Expedition Fabric/Material: MicroLite XP Warmth Rating: -10 Operation Temperature Range: Below 0 Fahrenheit Weight Range: 4 - 4.9 lb Features of Western Mountaineering Bristlecone MF -10 Sleeping Bag: Sideblock Baffles Full Down Collar -10 F rating 8.5" loft Package Contents: Western Mountaineering Bristlecone MF -10 Sleeping Bag Western Mountaineering 60BRISRZ: Bristlecone MF Sleeping Bag -10F/-23C RZ Forest Green 6ft. 0in.