Durable polycotton fabric for high performance and maximum wearer comfort Double-layer reinforced knee protection for extra strength and durability 11 pockets for ample storage Two back zip pockets Reinforced seams for extra durability and strength Easy access cargo pocket Knee pad pockets to facilitate knee pads Zipped pockets 40+ UPF rated fabric to block 98% of UV rays Shell Fabric : Kingsmill: 65% Polyester, 35% Cotton 245g