The U.Power Land safety S3 carbon neutral boot with composite toe cap. Save and FlexPLUS Green, anti-puncture non metallic insole containing 59% recycled material. Abrasion resistant and anti-static PU outsole. Oil and slip resistant outsole with an anti-fatigue WOW2 footbed. Made from renewable sources and with recycled materials, while maintaining comfort and safety. Lace up fastening with uppers made from Putek Spider Repet, high percentage of recycled material and excellent scuff resistance. WingTexbreathable air tunnel lining, with antibacterial content. Anatomic design to reduce stress of the foot. Meets Standard EN ISO 20345 - S3 CI SRC ESD.