The O'Brien Infant Life Vest is made of BioLite that dries much quicker than neoprene. Lightweight and environmentally friendly, this vest resists mold and mildew. Zip closure and belt with quick-release buckle provide a secure fit. Wide arm holes increase mobility and comfort. Infant Vest comes with a crotch strap and grab strap for extra safety. USCG approved type II. Fits infants up to 30 lbs.