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