Also suitable for use in water / / Ironwear "Variable" weighted sleeves: perfect fit Ironwear "Variable" weighted sleeves are hand and ankle sleeves whose weight can be adjusted in increments of approx. 230 grams. Ideal for aerobics, boxing, kick-boxing, karate, fitness and running. The cuffs feature a wide hook-and-loop strap for a perfect fit. Their relatively soft mass and wide hook-and-loop strap ensure that these training weights offer a very good fit. Detailed features : With hook-and-loop fastener (approx. 12 cm long) / Weight flex-metal / Weight (per cuff): 1.1 kg or 2.25 kg / Product type: Cuffs / Weight: 1.10 kg /