Designed and constructed for the most demanding trail conditions, the Attack Q4 shorts by Fox are equipped with Fox's cutting-edge fabric. Q4 fabric shell combines outstanding comfort and performance with all-out stretch for unbelievable resilience and mobility in the saddle. Fit-lock zipper-less fly provides a vault like closure to keep the button fly secure while you're on the bike. Mesh panels provide strategic airflow to the inseam and back areas. The detachable liner with Evo chamois relieves pressure in sensitive areas and zippered hand pockets carry all your essentials.