REI Co-op Magma 30 Down Sleeping Bag. Excellent overall condition with no rips or tears. Uses 850 fill power down that is RDS certified and water resistant. Great ultralight sleeping bag. (approximately 1lb 6 oz – see photos showing 1lb 6.4 oz including stuff sack). Designed with generous knee and foot space and a fitted silhouette that delivers the most efficient warmth-to-weight ratio in the REI Co-op brand sleeping bag line. Downproof Pertex® shell, water-resistant 850-fill-power goose down and supple 15-denier lining combine to provide lasting coziness and a supersoft feel. Down is RDS (Responsible Down Standard) certified and bluesign® approved. Trapezoidal footbox keeps feet comfy; a toe box baffle positions downward to provide warmth. Variable baffle spacing locates and stabilizes the down fill, delivering high thermal efficiency and reducing weight. New zipper cover and internal antisnag strip combine for easy zipping; a hybrid zipper path provides easy access along shoulders and torso. Contoured hood retains warmth while providing space for a low-profile pillow; 2 different hood drawcords allow internal adjustment to avoid heat loss. Insulated yoke fills neck and shoulder gap to prevent heat loss. Includes a stuff sack for packing and a roomy mesh sack for breathable storage. 850-fill-power goose down (RDS certified and bluesign® approved). Pertex® 15-denier ripstop nylon (bluesign® approved). Men’s, Men’s. 15-denier ripstop nylon (bluesign® approved). 563 / 563 / 625 / 625. 625,625,563,563. 9.7 ounces, 9.7 ounces, 8.5 ounces, 8.5 ounces. Down certified to the Responsible Down Standard (RDS), Contains materials that meet the bluesign® criteria, Down certified to the Responsible Down Standard (RDS). 39 degrees (F) – ISO. 4.75 x 13 inches, 4.75 x 13 inches. Fits Up To in. 78 inches, 78 inches, 72 inches, 72 inches. 3.1 liters, 3.1 liters, 2.6 liters, 2.6 liters. 30 degrees (F) – ISO.