Kiddi Choice Kids 2.5mm Neoprene Short Sleeve Wetsuit Black/Pink Size Chart: Size 2: Chest(42cm), Waist(38cm), Shoulder Blade/Crotch(49cm) Size 4: Chest(47cm), Waist(43cm), Shoulder Blade/Crotch(51.5cm) Size 6: Chest(52cm), Waist(48cm), Shoulder Blade/Crotch(54cm) Made with Neoprene 2.5 mm Fluid Flex Foam Strategic paddle zones Designed for all water sport activities including swimming, diving, paddlesports, kayaking( Height 0.3" x Length 21" x Width 15" )