Stearns Youth Paddlesports Vest US Coast Guard-approved Large armholes for mobility and freedom of movement Durable construction: 200 D nylon/ripstop nylon shell, durable Crosstech foam, front zipper and a webbed, buckled strap Specially designed for children 50-90 lbs. (22.7 kg-41 kg) with a chest size of 26 in.-29 in. (66 cm-73.7 cm)