Alpinestars essential go-to shorts for all MTB activities, the A-Dura Liner Shorts offer an added level of stretch for freedom of movement on the bike. The shorts have been engineered and constructed to provide superior durability and the ruggedness needed for the mountain biking environment. The shorts also have a secure double snap closure and side waist adjuster to personalize your fit. To store your personal belongings, the shorts have 2 zippered, mesh-lined pockets.