2XU Compression Tri Singlet Completely redesigned in accordance with 2XU's latest RMIT University research, the 2XU Compression Tri Singlet promises superior ventilation and power. The 2XU Compression Tri Singlet has incorporated the leading SWISS VENT fabric which provides outstanding breathability, keeping the skin surface temperature as low as possible whilst blocking harsh UV rays. The SBR VENT fabric delivers extreme cooling properties while being exceptionally aerodynamic to ensure the ultimate fabric to keep your body cool, dry, and comfortable. Swiss Vent created in accordance with 2XU's testing by RMIT University, this industry-leading fabric has been engineered using the world's leading Swiss fabric mill. High-ventilation matrix knit, Coldblack heat-blocking technology, X-cross polyester yarns, and fine denier properties all combine to create the world's leading heat-beating triathlon fabric. Tested and proven by the world's best. Ultraviolet Protection - UPF50+ Angled Pockets - Storing essential race day items. Flatlock Stitching - Reduces chafing and irritation. ICE X CT - Cooling technology Moisture-Wicking - Wicks excess sweat and moisture.