Defy54 / Defy Fifty-Four Golf Jacket This jacket uses a special bonded material that directly adheres powdered silica aerogel to the fabric using 3D printing technology. Aerogel is an extremely heat-insulating substance, used in spacesuits. It can be used for golf or everyday wear. It's warm just by putting it on! Size S-M Length: 64.5cm Width: 55cm Hem Width: 45cm Shoulder Width: 52cm Sleeve Length: 56.5cm Please understand that this is a used item, and we appreciate your purchase. We are also selling on other flea market apps, so please comment if you are interested in purchasing.