adidas - TechFit Fusion Sleeveless Tee (Black/Intense Red) - Men's Athletic: The TechFit Fusion Sleeveless Tee is a ClimaCool(R) compression sleeveless top. Integrated Polar WearLink system bonded into garment. Full mesh back for breathability. 3-Stripes graphic and reflective brandmark. 75% Nylon, 25% Spandex.