1 x Pair of Scan Viper S1P Safety Trainers UK 11 EUR 46. The Scan Viper S1P Safety Trainers have a lightweight and breathable fly knit upper, 200-joule steel toe caps and penetration resistant steel midsoles. Fitted with a dual-density PU outsole, this cushioned sole ensures high levels of comfort. There is also an energy-absorbing heel which maintains comfort over long periods. The fuel and oil-resistant, SR rated slip-resistant sole increases wear safety, making these trainers ideal for tradespeople. EN ISO 20345-2022 Safety Rating: S1P Slip Rating: SR UK 11 EUR 46