Amazon.com | Wolverine Men。Lightweight CarbonMAX composite-toe with a lower profile, increased strength, and resistant to temperature swings plus protection from impact and compression Proprietary Infinity Frame stabilizes and cradles the foot Treaded rubber DuraShocks outsole that provides traction and absorbs initial impact Wolverine Infinity System with patented layers provides ultimate comfort and performance Zoned internal EnergyBound foam pads compress and rebound for ultimate cushioning Description For those who strive to keep our country moving, the Alpha drives innovation at work. The Wolverine Infinity System™ brings together years of expertise and learning through a multi-layered system that amplifies comfort and performance. Fully waterproof, proven safety of a CarbonMAX® composite-toe, and loaded with our best technology, the Alpha is backed by our 30-day comfort guarantee and provides the ultimate comfort, protection, and performance in