LIGHTWEIGHT & QUICK DRYING fabric with warp & weft stretch material for excellent movement FOR HOT WEATHER bike rides: open mesh throughout front of short for superior airflow IMPROVED FIT revised rear 2-way stretch panel. Breathable mesh for better cooling ADJUSTABLE FIT: Shorts have easy to pull adjustable tabs for fine tune fit while mountain bike riding Troy Lee Designs: 40 years of racing for the World's Fastest Racers. Corona, California