The Sea to Summit Traveller 45-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, 650 fill power duck down insulation (Responsible Down Standard certified) treated with a non-PFC Ultra-Dry Down treatment to improve reaction to moisture, retaining loft and performance in rugged conditions. Recycled 20D polyester shell is treated with a non-PFC durable water repellent (DWR) finish. 20D polyester liner provides pure comfort. 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 45-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.