Whether it's part of a required uniform or simply a boot rugged enough to keep up, this easy-to-wear essential works harder than most. Its lightweight, waterproof upper features abrasion-resistant Perspair(R) panels with PUtek technology and full-grain leather, while its supportive padded collar and sneaker-like Resurge foam midsole keep you comfortable through any shift. With the Sonic Side-Zip 8" on the job, you've got the perfect blend of professional looks and all-day performance. DESIGN: TAA compliant construction Leather and Perspair(R) upper with PUtek for durability Semi-locking YKK(R) side-zip for easy on/off Polishable toe for professional appearance Light padding for ankle protection IN-SHOE COMFORT: Cushioning PU footbed Resurge EVA midsole for rebound and energy return Lightweight construction for all-day wear DURABILITY & TRACTION: Danner(R) Dry waterproof protection Meets ASTM F1671-13 for pathogen resistance Danner(R) Sonic outsole for multi-surface traction