Orca Women's Core Tri Race Suit Tri-Mesh  Tri-Mesh uses a mix of polyester and spandex to wick moisture away from the body and provide increased breathability for comfort during exercise. This is used for the internal-bra, providing support with maximum breathability. 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. 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. SUPPORT - Built-in Zip Front Tri Internal bra features an Aquaglide front panel for increased support and a Tri-Mesh back for breathability where you need it most. SUPREME COMFORT - 6mm women-specific Italian Tri-Support chamois with 70kg density gives greater comfort on the bike