Waterproof leather with breathable membrane and comfort-padded top collar Corrosion-resistant top hardware and catch-resistant speed lacing system Rubber toe guard and TPU external heel counter Composite safety toe and plate Lateral roll bars a D-heel cup for high-performance stability Insane Comfort Insole Dual-density polyurethane mid-isle provides insane comfort Anti-fatigue technology absorbs shock and returns energy Oil- and acid-resistant rubber outsole Slip-resistant sole features deep lugs, multi-directional traction and durable contact zones to provides exceptional durability and traction Combination-welted and direct-injection construction for improved fit and a lightweight workout Only 2.5 lbs per boot! (Size 10)