Sea To Summit Trek Tkii Sleeping Bag, Long

Built for those who like a little extra wiggle room but still want to stay cozy, the Sea to Summit Trek TkII features a semirectangular shape to give you the best of both worlds. This versatile sleeping bag is a great choice for everything from weekend backpacking trips to month long globe trotting excursionsbr. . Tapered rectangular cut offers a good compromise between the comfort of a rectangular bag and the warmth of a mummy bag. 650 Fill Power Premium European duck down is a high quality insulation treated with ULTRA DRY Down ULTRA DRY Down treatment is a permanent nano level water repellent polymer that vastly improves the down's reaction to water without affecting its weight or loft performance. ULTRA DRY also inhibits bacterial and microbial growth, making the bag more hygienic and long lasting. Treated down retains over 60% more loft, absorbs 30% less moisture, and dries 60% faster compared to untreated down. Highly vapor permeable 2D PermaShell fabric is a high density weave 33D nylon with a DWR finish. High density weave 40D nylon lining is engineered for comfort, using a high thread count to create a soft surface and silky hand feel. Differential cut shell and lining helps the down loft correctly for superior thermal efficiency. Offset baffle construction provides a stable structure that allows the down to loft to the right density and minimizes loss of heat through seams. Two dimensional hood easily cinches into a form fitted profile using the dual adjustment drawcord to seal in the warmth. YKK 5 reverse zipper allows you to unzip the bag from top and bottom for better temperature regulation. Full length side zipper and foot zipper let you open the bag into a full duvet for use indoors and in warmer weather. Super high density 210D polyester cloth hidden in the draft tube is exceptionally stiff and eliminates zipper snagging. Large internal zippered p