2XU Short Course Trisuit 2014: Engineered from 2 X Us new paper thin Tri Skin; the worlds lightest tri-specific fabric, this impressive Short Course Trisuit offers speed through the water like never before. Finished with a water resistant treatment for quick dry out of the swim, this suit also delivers essential breathability for the bike & run. With high strength 2XU Tri Skin Power panels to support lower leg muscles, greater endurance is assured. Tri skin: A high gauge woven fabric, 2 X Us Tri Skin is ultra light weight, incredibly breathable & quick drying. Best in class for speed; both through the air & water Tri skin power: A high gauge, high denier woven elastane fabric, 2 X Us Tri Skin Power is light, breathable & quick drying, yet equally powerful. Fast through the water & air, this proprietary fabric will support muscles & encourage greater endurance SBR fleece: Using a micro-filament polyester yarn, 2XU has developed a fleece with enough padding for the bike while remaining discreet for the swim & run. Using polyester yarns with hydrophobic properties, this fabric delivers critical antibacterial protection & will remain dry through all three disciplines. Exclusive to 2XU. Flatlock stitching: For superb stretch & smoothness Rear semi-lock zip Seamless gripper