Hincapie 2014 Men's Power Short - R300M13 78% nylon imported AT2 Force Lycra Power provides unsurpassed structure and elastic retention for a compact fit Resistex Carbon panels help lower temperature, heart rate and lactic acid concentration in muscles reflects heat away from the body to regulate temperature and provide SPF 50+ UVA/UVB protection ABR Resistor Lycra in saddle wear areas readily resist abrasion Anatomical Hincapie Metric Chamois with E.I.T. Max fabric and high density foam inserts