The FOX Youth MTB Shorts Defend are used by professional mountain bikers on the toughest trails in the world. The TruMotion® all-way stretch main fabric allows for unrestricted movement and helps tackle the hardest climbs so you can enjoy the descent. The zippered pockets securely store your essentials. Proven ratchet closure for a secure fit and quick adjustments on the fly. Laser perforations increase airflow. Durable, water-repellent DWR coating protects against moisture, dirt, and mud. These shorts are designed to withstand the extreme challenges of mountain biking while providing comfort and durability.