2XU Compression Cycle Bib Short is constructed 105 denier LYCRA 105/CK fabric which is unparalleled in both stretch and pressure. These cycling shorts offer incredible stabilization of your muscles and will reduce vibration and fatigue. Its moisture-wicking properties keep you dry, comfortable, and focused. 2XUâ€™s Y-elastic grip keeps the shorts in place around your legs so ride-ups are not an issue. The straps on the bib are SENSOR MESH, which is a highly-breathable fabric that will flex with your body. This high-performance pair of compression cycling shorts offer 50+ UV protection.