The Tokyo Laundry Jack knitted jumper Wool mix fabric gives extra warmth and comfort with it's ripple stitch striped band detail to sleeves and collar. Stripe bands on sleeves Ribbed cuffs and hems Wool Mix This wonderfully textural knit with subtle details is a great addition for your cold weather wardrobe. With wool mix fibres you get the added benefits of warmth and comfort. Work it in with any of your other Tokyo Laundry pieces, from gilets to chinos, it's a versatile piece available in a range of classic colours.