Fox Sergeant Bike Short - Men's 98% cotton The HRC Redplate Tech Cargo shorts were built for the best pro teams in the world. They put a priority on functionality and utility. The foundation of the short is the stretch twill fabric which offers both durability and movement. On top of that, they feature both hydrophilic & hydrophobic properties... meaning they rapidly wick moisture off your skin, while also resisting water from the outside.