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