2XU Compression Tri Singlet 2012: This unprecedented Tri Singlet utilises 2 X Us powerful 70D/CK fabric for increased power & durability to arm the athlete with greater power output plus increased blood flow to reduce lactic acid build-up. 2 X Us ICE X fabric lowers body temperature by up to 5&176;F. Ice X 70D/CK Front semi-lock zipper Rear pocket