C-skins Sea Swim hat Research Cap 100% XTEND MATERIAL Flexible, lightweight swim cap, super hydrophobic external lining that has excellent multi-directional stretch STRATA NEOPRENE: Embossing channels in the neoprene on the top of the cap improve the flow of water GLUED & BLINDSTITCHED SEAMS A watertight method of construction that results in superior warmth and maximum comfort PERFORMANCE DRIVEN MINIMAL PANEL DESIGN Strategically positioned seams reduce drag and improve comfort TRUE THICKNESS A warmer thicker product that doesn’t mislead our customers SWIM RESEARCH