Used a few times after purchase. Please understand that there is some wear and tear before purchasing. MATERIAL TAKIBI (polyester, aramid fiber blend) / AURORA-TEX® (breathable waterproof 2-layer nylon) / CORDURA Ballistic® fabric 1680d nylon / STD (Spanish white duck down) 80-20% ITEM INFORMATION Down is enclosed in the front of the bag, and the hand warmer pockets keep your hands warm. It also has pockets for hand warmers, so you can use them to warm your hands even more. The main pocket also has a gusset at the bottom to secure the contents, and it is fully functional as a bag. The buckle loop on the back allows you to attach it to outdoor chairs or bicycle frames, so we hope you will use it in various situations. This is a collaboration series with the outdoor brand NANGA. The main fabric uses NANGA's original flame-retardant fabric TAKIBI, which is a cotton-like polyester fabric blended with flame-retardant aramid. This material reduces the risk of holes caused by fire, which is a weakness of synthetic fibers.