TYR Multisport Men&#39;s Splice Singlet 80% Polyester/ 20% Lycra Made in US Multisport singlet features body mapping technology. Compressive fabric in the torso, lighter weight white cooling fabric on the back for temperature regulation. 12" front locking coil zipper with rubber grip pull. 3 rear storage pockets, 4 way stretch flat-lock seams. Mesh-tech panels for temperature regulation.