Columbia - Frontier Peak GTX (Buffalo/Cayenne) - Men's: All-terrain hiking boot offering durable waterproof protection for wet and wild backpacking trips. Built on new hiking last. Waterproof nubuck and mesh upper. Durable waterproof and breathable GORE-TEX(R) laminate. Gusseted tongue. Metal ghillies and speed hooks. Internal EVA insole/midsole. Nylon shank with full length composite lasting board. Lightweight, non-marking Omni-Grip(R) rubber compound with lug cupsole.