1200 denier breathable ripstop outer shell is waterproof and extremely durable. 300 grams fiberfill insulation for colder climates, with nylon lining that polishes the coat. Contoured design helps keep blanket stationary while eliminating pressure points. Fitted shoulder darts and fleece lining eliminate rubbing. Nylon straps are replaceable, to greatly extend blanket life. Waterproof seam tape and rear tailgate provide superior protection against wind and rain. Reflective Knight Vision™ safety strip maximizes visibility in low light.