YKK side zip for easy access Durable leather upper with hardwearing breathable mesh panels Waterproof & breathable bootie membrane keeps feet dry Exogel ultimate ankle impact protection Padded collar for comfort Non-metallic composite shank for lightweight support M-P.A.C.T Response insole for maximum comfort & shock absorption Compression moulded RECOIL midsole absorbs impact and provides all-day support and comfort High traction slip & oil resistant MICHELIN outsole for maximum grip Tested and certified to European standard EN ISO 20345:2011 S3 WR CI HI AN HRO SRC Strike Force 6.0 Side-Zip Ct Cp Wp Uniform S3 Safety Boot