This premium hiker style boot features anti-fatigue and aerocore technologies for the ultimate in all-day comfort and support.. Breathable and moisturewicking lining with anti-microbial treatment for odour control. Non-marking tpu compound and versatile lug design grips surfaces from slick floors to uneven terrain. Tpu-wrapped midsole delivers maximum energy return while resisting rips, abrasions and scuffs. Anti-fatigue technology polyurethane footbed for shock absorption and energy return. Non-metallic puncture resistant puncture plate. Composite safety toe powered by carbon shield technology. The rebotl material in this shoe contains at least 50% recycled pet