Premium Timberland upper with waterproof membrane and 200 grams of insulation. We are members of the Leather Working Group. Asymmetrical composite safety toe cap. Protection against electric shock. Fiberglass shank for structural support. Dual-purpose metal elements promote personalized lacing. Breathable, moisture-wicking ReBOTLâ„¢ fabric lining containing at least 50% recycled plastic and featuring an antimicrobial treatment to control odors. Polyurethane footbed with anti-fatigue technology provides shock absorption and energy return. Timberland PRO molded rubber protective toe cap. Rigid outer heel cup promotes lateral stability. Puncture-resistant metal-free plate. Construction combining a three-quarter stitched welt and a glued heel. All-season, non-marking, grippy polyurethane outsole resists heat, abrasion and oil.