The outer boa material and nylon lining are divided into 2 layers, and the warmth is trapped between the fabric and the fabric for exceptional heat retention. The left and right zippered pockets can also be used as a hand warmer. Material: Front: 70% polyester / 30% acrylic, Lining: 100% polyester, Lining: 100% polyester. Color: Black, Grit [US S] = Length 69cm, Width 51cm, Sleeve Length 86cm [US M] = Length 73cm, Width 55cm, Sleeve Length 90cm [US L] = Length 77cm, Width 59cm, Sleeve Length 94cm *Measurements are reference only. Think about it. (There may be slight differences) *Depending on the shooting conditions, the color of the actual product may differ from the images. Thank you for your understanding.