2XU Compression Tri Short Men's: From 2XU, the leader in compression and triathlon technology, comes this unprecedented Tri Short. Utilizing 2XU’s powerful 70 D/CK fabric for increased power and durability, this new garment will arm the athlete with greater power output through less muscle oscillation plus increased bloodflow to reduce lactic acid buildup. Featuring 2XU’s new ICE-X fabric to cool the body by up to 5°F, the MT1758b is the ultimate Short for all race distances. LD CHAMOIS for comfort.