Improved zipper closure to reduce neck irritation, more super-stretchy material for a more flexible suit.The O'Neill Reactor Girls Shorty Wetsuit is a full-featured neoprene kids spring wetsuit that moves with your child, with colors and graphics just for girls. Adds warmth and 100% UVA/UVB protection for active watersports, snorkeling, & diving. Features:DL Single Seal Neck ClosureHand Cuff Wrist Seals New Style Lines & Graphics for 2006 Seamless Paddle Zones Durable Exterior (DL) Body Wind Resistant Smooth Skin : Chest & Back Back Zipper : Easy on/off Flatloc Stitched - Breathable Seams Hidden Key PocketLightweight Fluid Foam Neoprene Oring SealsChoose your size from the chart below, paying particular attention to the torso length. If in between sizes, choose the LARGER size, or order both sizes & return the one that does not fit.