The Sea to Summit Traveller 50-Degree Down Sleeping Bag Blanket is a highly versatile option for bike packers, backpackers, hikers, and travelers who are looking for lightweight and compressible insulation that can be used as either a sleeping bag or camping quilt. High-loft, 750 fill power down insulation (Responsible Down Standard certified) is treated with proprietary ULTRA-DRY Down to improve reaction to moisture, retaining loft and performance in rugged conditions. An ultralight 15D nylon shell, and sewn-through construction minimizes weight and bulk. A full-length zipper can be fully unzipped to use a blanket; zipper can also couple two Travellers together. Shoulder and foot drawcords allow for extra warmth or ventilation. The Sea to Summit Traveller 50-Degree Down Sleeping Bag Blanket is available in two sizes: Regular (max user height of six feet) and Long (max user height of six feet four inches). Includes Ultra-Sil compression sack. Sea to Summit products are guaranteed against defects in materials or workmanship for the lifetime of the product.