ATS Technology supports and cushions the foot as you move, promoting good posture and reducing fatigue so that you can work or play all day, Moisture-wicking footbed provides cool, dry comfort, Duratread carbon rubber outsole: Highly resistant to barnyard acids, oils, and slips, it is built to withstand an extreme range of conditions and temperatures, Full-grain leather upper with waterproof membrane, Lace-up closure with padded tongue, Thinsulate 200g insulation is breathable yet warm during high-energy activities, X-Static is a pure silver, anti-static fiber woven directly into the footbed offering both antimicrobial and anti-odor properties,