The Troy Lee Designs Sprint Short dials up the same performance as the adult version. The Troy Lee Designs Sprint Short dials up the same performance as the adult version. It features high-denier mesh fabrics that maximize breathability and durability along with smaller features that make a difference, such as zipper flaps over the fly to keep out mud and dirt, waist adjustments, zippered hand pockets, and a race fit that a Lightweight and durable bike shorts Polyester provides breathable and moisture-wicking performance Elastane adds stretch for more mobility on the trail 600-denier and 500-denier mesh for abrasion-resistance Hook-and-loop tabs to adjust fit in the waist Ra