For hard-working performance that wont ever let you down, lace into the Rockport Works More Energy work boot. Style number: RK6640. Meets I/C75 electrical hazard standards. Safety rating includes: Best: oil-, abrasion-, chemical-, and metal-chip-resistant performance. Better: slip- and heat-resistant performance. XTR Brand Extra Wide composite toe cap. 100 percent non-metallic toe. Waterproof tumbled full grain leather uppers. Lace-up closure. Plush tongue and collar. Hydro Defense waterproof bootie construction. Moisture-wicking nylon mesh lining offers a great in-shoe feel. Removable EVA Cushion Insert footbed. Dual-density, direct-attached PU midsole with ADIPRENE by adidas shock-absorbing heel and rebound forefoot pads. Rubber traction outsole. Imported. Measurements: Weight: 1 lb 9 oz Shaft: 6 in Product measurements were taken using size 12, width M (D). Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.