Kid's Youth Premium 3mm Child Wetsuit Good for Swim Surf Snorkel and Scuba Diving - Uv Protection (Pink, 10) 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.