The Z-8S 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 situations while carrying heavy packs over varied terrain, and combines the walking comfort of a hiking boot with the support and protection of a hard duty, backpacking boot plus instep protection against rope abrasion while rappelling. Durably waterproof/breathable.