Uvex safety shoes S3 2, 44. 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 toe, compact design, anatomical shape, good lateral stability, no heat conductivity, non-magnetic, non-metallic, puncture-resistant insole, outstanding comfort thanks to uvex climazazo.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-release fastener, can be replaced by the standard laces supplied, almost seamless, can be worn with the uvex xenova safety toe.laces, almost seamless upper design to avoid pressure points, removable comfort footbed, antistatic, with moisture-wicking system and additional cushioning in the heel and ankle area, adjustable elasticated laces with quick-release fastener, can be replaced by the standard laces provided.muffling in the heel and forefoot area, soft padded collar and padded tongue, cast polyurethane protective toecap to protect the upper material, particularly lightweight, two-layer sole made from 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.