Snap-button closure and zip fly. Scoop pockets and coin pocket in front patch pockets in back. Built-In Tough fabric has 2x the strength of regular denim, meaning they're basically indestructible. No more blown-out knees or accidental rips! Engineered with innovative Built-In Flex stretch technology. Equal parts comfort & movement. Flexin' on 'em. Durable black-wash denim. cotton 98% spandex 2%