Hydry Waterproof System, a highly breathable membrane to keep your feet dry. Gussett keeps the muck and water out. Reinforced midsole for greater underfoot stability and comfort on ladders, spades, towers and steps. Composite anti-penetration midsole protects the sole from penetration injuries. Comfort innersole with Poron® for all day comfort. Shock absorbing PU mid section for comfort on hard surfaces. Chemical, oil and crack resistant rubber outsole. Airport friendly - virtually metal free. Triple-stitched at high stress points. Electrical hazard resistant. Padded top line for comfort. Please Note: NO8 footwear has become APEX footwear