Where to Buy
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This Sierra Designs Diamond Spring Flex 30degF 3-season long sleeping bag will give you the peace of mind of additional warmth and sleeping comfort when your trips take you higher and colder. Tough 30-denier polyester shell features tuck stitching to protect against abrasion and prolong the life of the bag. Insulated with 600-fill-power goose down offers an excellent warmth-to-weight ratio. Patented flex construction allows the bag to flex and stretch, accommodating various size sleepers and movement from 1 sleep position to another. Ergonomic, non-restrictive hood increases heat retention and thermal efficiency; hood features differentiated drawcords that make fit adjustments easy, even in the dark. Continuous baffle construction allows the goose down to remain fully lofted and keeps it from shifting and migrating, preventing cold spots. Roomy, contoured microfleece-lined footbox enhances comfort and warmth of feet. Snag-free zipper tracks create a barrier between lining and zipper to prevent tears. Fully insulated dual draft tubes surrounding the zipper prevent cold air from seeping in. Pad Locks(TM) keep your sleeping bag and pad together to keep you from rolling onto the cold ground; can be removed to reduce weight. Sierra Designs Diamond Spring Flex 30degF bag comes with a stuff sack and storage bag. Women-specific bags are cut to match a woman's shape, and provide extra insulation and warmth in the hood and feet areas.
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