TYR carbon triathlon shorts. TYR Carbon is a game-changing fabric that fuels performance across the disciplines. Constructed from this breakthrough fabric, the TYR Men’s 9" Carbon Tri Shorts helps lower your body temperature and heart rate and results in more efficient breathing and less lactic acid buildup. The RMNB6A triathlon short is made with smooth bonded seams to maximize strength and comfort while minimizing drag. These compression tri shorts are also equipped with a breathable, built-in carbon Amp Pad, which strategically absorbs your weight while in aero position and keeps you feeling cool and unrestricted while running or cycling. This tri short has carbon flash mesh, which is uniquely engineered to draw moisture away from the body, keeping you feeling light and dry throughout the race.