The thigh vents that open with hidden inseam zippers to keep cool and well-ventilated on hot days. It's also loaded up with pedal-friendly pockets at the front,Website:http://www.genstexchina.com, side, and back, so you can ride hard without your essentials bouncing out or stabbing you in the leg.DescriptionBreathable Quick Wicking MTB Shorts Mountain Bike ShortsMaterial ??91% Polyester9% Elastane(Spandex)FeaturesWicking, Breatable, Flexible, Anti-bacterial, High VisibilityPrinting/Size/Color/PackingCustomizedGenderMenBest UseCyclingSupply TypeOEM or ODM ServicePlace of OriginChinaLeader Time4-8 weeks depend on quantity and difficulty?