2XU Comp Trisuit: 2 X Us Comp Trisuit delivers the performance typically offered by more expensive suits. 2 X Us quick drying SBR SKIN X utilises 70D elastane for mild, long lasting compression while SENSOR MESH X provides ventilation. SBR FLEECE offers support for the bike whilst remaining discreet on the run. Other features include flatlock stitching, 2XU semi-lock zip on the front, Y ELASTIC GRIP & contoured panelling for unrivalled performance over long or short distances. Front semi-lock zipper Y elastic grip Sbr skin x Sensor mesh x Sbr fleece