Design PhilosophyGood thermoregulation is key to efficient riding in hot climates. Endura\'s Xtract Lite Short helps keep your core temperature cool by moving sweat away from your skin. The addition of a couple of hot weather beating Xtra\'s is what really sets these shorts apart however, including a UPF50+ treatment for the fabric and a 500 series temperature regulating pad.500 Series PadThe 500 series pad excels in hot climates by using DisperseFoam™, a global exclusive for Endura. This disruptive foam cell construction provides superior drying and dramatically improved air permeability compared to conventional PU foams. This, combined with silver yarn fabric with cool touch in a Continuously Variable Profile high stretch pad makes the 500 series pad the go to choice for hot weather riding.