Height : 8” / 20.4 cm Chemtech waterproof microfiber upper with H2O Seal sealed seams, resistant to several chemicals. Composite toe protector and puncture-resistant insole. Antitorsion polypropylene insole integrated into puncture-resistant insole. Breathable and abrasion resistant Cambrelle lining with antimicrobial treatment. 400 g Thinsulate insulation surrounding the foot. Removable Instant Comfort insole made of gel, PU and memory foam. 90° heel angle. PU scuff resistant bumper toe increasing wear protection. Vibram Fire & Ice outsole made of natural rubber. Padded tongue and collar for added comfort. Corrosion-resistant metal eyelets.