Dunlop DEVON Unisex Steel Safety Wellington Boots in Yellow. These boots are made with a synthetic upper, textile lining, and synthetic sole. They feature a pull-on closure, round toe shape, and a flat heel height. The boots are water-resistant and offer a mid-calf shaft height. Safety features include anti-penetration mid sole, fuel/oil resistant sole, anti-static sole, slip-resistant sole, metal toe cap, cleated sole, energy absorbing heel, and are waterproof. They conform to EN 20345 S5 and EN ISO 20345:2011 safety standards. The boots are S5 classified and pass SRA slip resistance standards. They are resistant to minerals, vegetable oils & fats, blood, manure, disinfectant & various chemicals. The boots have a nitrile upper and a slip-resistant outsole with steel toe cap and midsole protection. They are antistatic and have an energy-absorbing heel. Heel height is 30mm. They are a standard fitting with a standard calf width.