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