This is a GRANDLY lambskin leather down jacket. It's made of high-quality, well-tanned, soft lambskin. The inside is filled with 80% down. The cuffs are double-layered with a ribbed knit lining. Because it's a leather down jacket, it's incredibly warm, and the lambskin makes it easy to move in. Size: S Pockets: Outside: 2 Inside: 4 Measurements (laid flat): Width: 53 cm Shoulder width: 46 cm Sleeve length: 63 cm Length: 65 cm Measured by hand.