Wetline Infant Ski Vest Outside; Nylon Lining fabric; Polyester Foam type; P.E. Front cut foam pieces; 2 Front straps; 3 Back straps; 2 Back and front straps; Double Loops 050 lbs. Infant vests have 15% larger head supports with grip strap Quick release buckles; 4 Webbing; 1" Straps; Full Adjustable Sides; Closed with Contour Neck Support All Wetline Vests are US Coast Guard Approved