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, PU/RUBBER, Non metallic, 200 Joule composite toe cap, Composite Reinforced midsole protection, Metatarsal impact protection, Shock absorber heel, Anti-static, Heat resistant to 300C, Slip resistant, Water resistant leather upper, Waterproof membrane lining, Breathable Thinsulate membrane lining, Full length foam fabric footbed for excellent comfort.