Premium Timberland Waterproof Leather upper with an internal waterproof membrane and microban antimicrobial treatment for odor control, Asymmetrical alloy safety toe, Electrical hazard protection, Strategically placed, abrasion-resistant overlays, Non-metallic shank for structural support, Breathable, moisture-wicking lining made of ReBOTL fabric containing at least 50% recycled PET plastic with antimicrobial treatment for odor control, Timberland PRO FLEX Technology outsole featuring anatomically positioned flex grooves is made of heat-, oil-, slip-, and abrasion-resistant, non-marking rubber, Timberland PRO 24/7 Comfort Suspension System helps reduce foot fatigue 24 hours a day, 7 days a week, Lightweight Hover Spring foam midsole provides underfoot comfort, flexibility, and durability, Direct-attach construction for flexibility and durability,