Blundstone 1630 Chelsea Boot in Rustic Black Color:Black Merrell Air Cushion in the

Merrell Air Cushion in the heel absorbs shock and adds stability

Cushioned footbed

Super Rebound Compound provides durable shock absorption to help reduce torque and allow for a smooth transition into the midfoot

Sole: made of natural rubber

The open-pored and thus very breathable surface makes for a comfortable foot climate

Blundstone 1630 Chelsea Boot in Rustic Black Color:Black Merrell Air Cushion in theAnatomic, removable footbeds are made of EVA and Poron foams Steel shanks offer strength and stability Thermoplastic urethane polyurethane midsoles are comfortable, lightweight and durable Poron XRD in the midsole heel strike zone absorbs shock Outsoles resist oil, acid, organic fat and heat up to 284 F Sturdy front and back pull on tabs Injection molded soles are fused to the uppers Shock Protection System (SPS) disperses shock at the heel strike and