Uvex safety low shoe S1 1 BOA, 39. Sporty, multifunctional safety shoe, particularly lightweight and flexible, manufactured with a new last technology for exceptional wearer comfort, optimised wearer comfort thanks to uvex climazone technology, breathable, perforated high-tech micro velour upper material, optimum ventilation thanks to distance mesh lining material, suitable for chrome allergy sufferers as it is made from synthetic materials, Boa Fit System twist lock for long-lasting, all-day wearer comfort, virtually seamless shaft construction to prevent pressure points, removable comfort footbed, anti-static, with moisture-wicking properties, with a high level of protection, with a high level of comfort.Boa Fit System twist fastener for long-lasting all-day comfort, virtually seamless upper construction to prevent pressure points, removable comfort footbed, antistatic, with moisture transport system and additional heel and forefoot cushioning, softly padded footbed, softly padded heel and forefoot cushioning, softly padded heel and forefoot cushioning.padded collar and padded tongue, special dual-density polyurethane sole with excellent cushioning properties and very good slip resistance, free from substances that can impair the wetting of paints such as silicones, plasticisers, etc.such as silicones, plasticisers etc. and fulfils ESD requirements: Leakage resistance < 35 megohms. 100 % metal-free uvex xenova toe cap. EN ISO 20345:2011 S1 SRC. Shoe width 10.