Made for durability, safety, and comfort, the Reaxion features anti-fatigue and Aerocore™ technologies for the ultimate in all-day comfort and support. Engineered with nanotechnology, adds strength and unmatched protection. Lightweight, non-metallic, asymmetrical-shaped toe cap. Meets ASTM F2413 impact (I) and compression (C) requirements when tested to ASTM F2412. Footwear that provides an electrical resistance between 1 megaohm to 35 megaohms, ensuring that they meet the SD 35 requirement of ASTM F2413 or ASTM F2892, when tested to ASTM F2412. SD 35 footwear protects equipment by dissipating static electricity to the walking surface while providing the wearer limited protection against electric shock. Built with materials that should not activate most security systems or scratch surfaces. Designed to allow passage through most metal detectors without needing to be removed. Nylon, plastic or hidden eyelets reduce the chances of marking or scratching surfaces. A comfort system designed with shock absorbing, geometrical technology that returns energy back to the foot to deliver all day support and comfort. Aerocore™ Energy System delivers lightweight sole design, and opens up new possibilities with high-rebound cushioning and comfort in every step. The ReBOTL™ material used in Timberland® apparel contains at least 40% recycled PET (recycled polyethylene terephthalate, the stuff plastic bottles are made of). The ReBOTL™ material used in Timberland® footwear and accessories contains at least 50% recycled PET. (Excepting trace materials) Mark II Oily wet #3 on American Olean tile exceeds .40 Specially-formulated thermoplastic urethane compound designed to maintain flexibility in variable weather conditions, providing enhanced traction on wet and frosted ice surfaces, plus slip, oil, and abrasion resistance.