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Assume speed demon status in the gnarliest environments in the all-new Summit Unknown GTX for men, showcasing detail-obsessed craftsmanship that balances durability with lightweight materials and a reengineered tongue for a more distinct fit. Underfoot, REVlite foam offers lightweight cushioning while HydroHesion advanced rubber compound helps you get amphibious by offering grip in environments wet and dry, while aggressive lugs with a newly increased depth help you climb forward. The forefoot Toe Protect feature offers a mean barrier against loose dirt and rocks.
On the upper, mesh meets Toe Protect for the perfect balance of comfort and rugged performance. The REVlite midsole offers a lightweight ride without sacrificing cushioning or stability. The mesh material provides superior drainage and breathability.
10 mm drop: due to variances created during the development and manufacturing processes, all references to 10 mm drop are approximate
Gore-Tex® fabric offers waterproof protection and durability
Innovative REVlite midsole provides premium responsiveness and durability at a 30% lighter weight than other foams with comparable performance