Seavenger Scout 3mm Kids Full Body Wetsuit with Knee Pads for Surfing, Snorkeling, Swimming SNUG FIT  Forms to the body for easy, flexible movement and carefree play. THERMAL PROTECTION  3mm neoprene material conserves body heat, keepings kids warm and cozy. EASY DONNING AND DOFFING  Includes a sturdy #10 YKK zipper with an extra long leash. COMFORTABLE WEAR  Flat-lock stitching and ankle zips minimize flushing and prevent skin chafing. NEW DESIGN  Updated 2018 design with improved sizing and fit.