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 , Rotary Dial lacing system , One hand adjustment operation , PU/RUBBER , 200 Joule composite toe cap , Composite Reinforced midsole protection , Metatarsal impact protection , Shock absorber heel , Anti-static , Heat resistant to 300°C , Slip resistant , Water resistant leather upper , Waterproof membrane lining , Breathable Thinsulate membrane lining , Full length foam fabric footbed for excellent comfort , Conforms to EN ISO 20345:2011 S3 WR M SRC HRO