Waterproof full grain leather upper with sealed seams. Steel toe protector and composite puncture-resistant insole. Breathable and abrasion resistant Cambrelle lining with antimicrobial treatment. Waterproof and breathable Sympatex membrane resistant to various pathogens. 200 g Thinsulate insulation surrounding the foot. Removable Instant Comfort insole made of gel, PU and memory foam. 90° heel angle. Dual density Vibram V4K outsole made of TC4+ natural rubber and a comfortable PU core. Zip Kit (S22077-11) included with the boot. Padded tongue and collar allowing extra comfort.