ICE X fabric technology with Xylitol and IR blocking for exceptional cooling * 2XU"s Proprietary 105D/CK compression fabric for the ultimate in muscle stabilization and increased endurance * Compressive support for core muscle group to help maintain posture and technique * Ample Rear Pockets for race day essentials * Teams superbly with 2XU"s Tri Bra ( WT2321a )