With an evolved design fine-tuned for alpine running, the Vertex delivers the confidence and security to push off trail and scramble at speed. The upper – made from 100% recycled PFC-free polyester – is durable and breathable, and an integrated knit collar helps seal out debris. Support and protection come from mid to forefoot TPU rock plate, 360-degree randing, and a welded support zone on the upper. Vibram® Megagrip, a deep 4mm lug pattern, and friction zone at the forefoot provide confidence and grip on rock and trail.