Our Nubuck uppered Z-8N GTX has been certified to comply with EU PPE regulations and has been updated with the LOWA® Tactical Z Trac® outsole that meets the SRA standard for slip resistance. It's an 8" high rugged, multi-function boot that's designed for demanding missions while carrying large packs over varied terrain, plus instep protection against rope abrasion while fast-roping. Duty Boot Certification: CE EN ISO 20347: 2012, meeting code 02 WR SRA FO CI HI HRO Upper Height Inside/Outside: 175/210 mm