Sea to Summit Trek TkII Regular ST81365

18 degrees Fahrenheit (-8 degrees Celsius) down sleeping bag. For 3-season camping, backpacking, and trekking. Mummy style. Mummy style with a shaped hood and zippered draft tube. 650 fill power down insulation (Responsible Down Standard certified). ULTRA-DRY Down treatment improves moisture response and maintains loft and performance. Durable 30D nylon shell. YKK zippers, full-length right side zipper, half-length left side zipper, and foot zipper for ventilation and versatility. Internal pocket for small essentials. The relaxed mummy shape provides space between the hips and knees, allowing for a natural sleeping position. A vertical baffle above the chest prevents the downfill from shifting. Maximum height for regular size bags is 6 feet. The bag weighs 2.2 lbs. Compresses up to 6.1 liters with the included Ultra-Sil compression bag. The Sea to Summit Trek 18 Degree Down Sleeping Bag is a versatile down bag for all types of outdoor activities, including camping, backpacking, and trekking. The mummy style features a shaped hood and zippered draft tube to keep you cold and warm. Lofty 650-fill power down insulation (Responsible Down Standard certified) has a proprietary ULTRA-DRY down treatment that improves moisture response and maintains loft and performance even in harsh conditions. The relaxed mummy shape provides extra space between the hips and knees for a natural sleeping position. A vertical baffle above the chest prevents the downfill from shifting while you sleep. Cozy and cozy in the cold, the Free-Flow Zip system keeps things cool when temperatures rise. Full-length left side zipper, half-length right side zipper, and foot zipper can be opened for ventilation or to convert the trekker into a comforter. The bag can be zipped to the sea and is also compatible with women's altitude, travel and venture sleeping bags. Durable 30D nylon shell It has an internal pocket for storing small essentials. The Sea to Summit Trek 18-degree down sleeping bag is available in three sizes: Regular (maximum user height 6 feet), Regular Wide (maximum height 6 feet), and Long (maximum height 6 feet). Includes Ultra-Sil compression bag. Sea to Summit products are warranted against defects in materials and workmanship for the life of the product.