Uvex safety shoes S3 2, 41. Quality footwear complies with EN ISO 20345:2011 S3 HI HRO SRC, hydrophobic and breathable, particularly soft cowhide leather upper, 100% metal-free uvex xenova safety toecaps, compact design, anatomical shape, good lateral stability, no heat conductivity, non-magnetic, non-metallic, puncture-resistant insole, outstanding comfort thanks to uvex climaz technology.non-magnetic, non-metallic, puncture-resistant insole, outstanding comfort thanks to uvex climazone technology, optimum ventilation thanks to distance mesh lining, adjustable elasticated laces with quick-stop, can be replaced with the standard laces supplied, virtually seamless fit, can be worn with the uvex xenova safety toe cap.laces, virtually seamless upper design to prevent pressure points, removable comfort footbed, antistatic, with moisture-wicking system and additional cushioning in the heel and toe area, adjustable elasticated laces with quick-stop, can be replaced by the standard laces supplied.muffling in the heel and forefoot area, soft padded collar and padded tongue, impact-resistant polyurethane protective toe cap to protect the upper material, particularly lightweight, two-layer sole consisting of a highly cushioning midsole and non-slip Vibram rubber sole, and the comfort footbed with cushioning in the forefoot and heel area is heat-resistant for short periods up to approx. +300°C for short periods. Width 11.