Bought for my niece. She wore 3x. before she got to tall... Laundered and dried. PERFECT condition. 3mm neoprene for comfy warmth and UV protection Redesigned sizing for the perfect fit Flexible, rubberized knee panels Anti-chafing stitching Ankle zippers reduce need for flushing The redesigned Seavenger Scout Child Wetsuit is perfect for all-day play. The 3mm neoprene material keeps your child warm in chilly water while the anti-chafe stitching protects them from any skin irritation. Rubberized knee panels protect their joints from any accidental slips or falls as they enjoy their adventure time.