31 PET Bottles are recycled to make this product Innovative stretch panelling in key movement areas provides excellent comfort and flexibility Knee pad pockets with stretch panels for ease of movement Zipped and flapped cargo pockets for secure storage 10 pockets for ample storage Durable polycotton fabric for high performance and maximum wearer comfort Rule pocket Hammer loop for secure storage of work tools Knee pad pockets to facilitate knee pads Easy access cargo pocket Smart phone pocket Side elastic waist for ultimate wearer comfort 40 UPF rated fabric to block 98% of UV rays New style Slim fit design for exceptional comfort CE certified UKCA marked