Lightweight S3 composite side zip boot with Poron XRD extreme impact metatarsal protectionPoron XRD technology is designed for comfort and to carry out the same tasks as a normal less flexible external metatarsal boot* Nubuck top grain leather upper* YKK heavy duty side zip for easy on/off action* Breathable thinsulate CI cold insulating mesh lining * Waterproof membrane lining* Quality comfortable PU insole* Poron XRD internal M-Guard * EVA/Rubber cemented HRO heat resistant outsole* Anti-static* 200 joule composite toe cap* Kevlar midsole* Shock absorber heel* TPU protective scuff cap* SRC rated slip resistance * Conforms to EN 20345:2011 S3 WR M CI HRO SRC