Orca Men's Core Basic Tri Race Suit - 2015 AquaGlide  Orca AquaGlide has been re-engineered as a higher gauge fabric  a tighter knit, for lighter, more breathable comfort and increased durability. Water resistant qualities promote speed through the water, while minimizing water absorption. Featuring spandex inside a polyamide yarn, AquaGlide keeps athletes cool, dry and comfortable. Vapour  The new generation Orca Vapour is a light, breathable fabric used in key moisture transfer panels of garment construction. With a high moisture vapour transmission rate  the rate at which moisture passes through the fabric and away from the skin  Vapour is utilized in areas to maximize performance and comfort.