Neoprene Imported ATTENTION PLEASE MIND THE SIZE CHART BEFORE BUYING. The size is standard, but the build of toddler and children veries even at the same age. So please check the size chart carefully. Versatile Kids Waders Versatile TIDEWE kids waders are great for more than just fishing; Stay comfortable on all kinds of outdoor adventures like hunting, camping, riding ATVs, gardening, or playing near wet environments; Chest pocket is great for storing toys, snacks, found treasures, and fishing accessories Wear-resistant & Waterproof 3.5 mm neoprene upper with tough poly, jersey shell and stretch liner and triple-finished seams that are stitched, glued and taped, make it extra solid and keep water out and heat in. Added Protection Featuring reinforced knee pads and a thickened shoe vamp for added puncture protection and warmth. Our rugged boot tread pattern provides you with better balance and traction on wet and muddy surfaces; better grip means fewer slips and falls.