Internal metatarsal boot made with poron XRD technology. Designed for comfort and to carry out the same tasks as a normal, less flexible external metatarsal boot. Extreme impact protection. , Black full grain water resistant leather upper , YKK H/Duty side zip for easy on/off action , Padded collar , Waterproof membrane lining , Breathable thinsulate insulated mesh lining , Full length foam fabric foot bed for excellent comfort , Poron XRD internal M-Guard metatarsal impact protection , Heel support , Ankle protection , TPU protective scuff cap , Polyurethane/rubber injected sole , Heat resistant outsole to 300 degrees Celsius HRO , Anti-static , ESD , Non Metallic , 200 Joule composite toe cap , Reinforced midsole , Shock absorber heel , SRC slip resistance , Winter grip compound within the outsole for enhanced slip resistance , Conforms to EN 20345:2011 S3 M HRO WR SRC