1.Outer shell is windproof and waterproof. 2.Cotton lining is more soft and comfortable. 3.Double quilted:retaining more body warmth, guaranteed performance. 4.2-way zip for easy entry and ventilation 5. Zip baffle: Prevents heat escaping through the zip area. 6.Draw cord hood adds to warmth and performance. 7. Circle foot: to warm and minimizes weight of material used. 8.Small pocket in lining. 9. Compression stuffsack: Compresses to reduces the pack size.