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The Sulfur upper is made and shaped according to a specific anatomical last, which ensures a precise fit. Thanks to this, the shoe fits the foot like a glove. Its excellent support for the forefoot and heel provides firm support for high performance even in the most technical terrain.

Tecnica AST (Adaptive Shape Technology) combines a number of advanced technical solutions. By combining adaptive EVA memory foams of varying densities with pre-shaped thermoplastic inserts and an Ortholite insole, we provide a unique anatomical construction underfoot that adapts to the shape of your foot.

The Vibram® Megagrip™ outsole offers unique traction on both dry and wet surfaces. This compound is best in class in terms of durability and terrain adaptation. The multi-directional lug pattern is ready for a variety of terrains and changing conditions.

The Sulfur is a fast-approach shoe with an anatomical, wrap-around shape and good support and comfort for endurance. It provides grip, precision, and climbing performance in technical terrain. The Edge Frame plate is made of thermoplastic polyurethane (TPU) and is inserted into the core of the shoe to provide stiffness and support when climbing, while allowing the shoe to flex freely where needed. The result: climbing performance meets hiking comfort. Longitudinal elements promote stiffness and torsional rigidity in the toe and midfoot areas. The cut-out transverse arrangement allows for greater flex in the metatarsal area. The Sulfur midsole is specially designed to have two areas of different densities: a higher density area from the midfoot to the toe and a lower density area under the heel. The higher-density EVA provides torsional stiffness and flex stability, adding further support to the Edge Frame technology. The climbing lacing system promotes a snug fit in the forefoot and toe area and allows for extremely quick and precise lacing adjustments.

The midsole is specially designed with two different densities. The heel section uses a softer EVA compound for greater cushioning and adaptability to the terrain. This ensures optimal comfort when walking. The profile of the midsole and rocker sole has a precisely defined shape that supports a smoother transition from heel to toe. This allows you to cover longer distances with a higher level of comfort. The Sulfur outsole has a flat climbing zone at the toe. This special climbing feature provides advanced precision, power at the toe and edges on slabs, ledges and edges, making it the ideal choice for steeper walls.

In the center of the Vibram® sole, under the arch of the foot, is a rubber arch grip. This adds further technical parameters to the shoe. The specific shape of its "teeth" ensures better grip on slippery ridges and raised edges, as well as on via ferrata rungs and ladders.

The Sulfur model features a sturdy rear loop that helps pull the shoes on. It also allows for quick and secure attachment to the back of the harness.

• ADAPTIVE SHAPE TECHNOLOGY BUILT AROUND YOUR FOOT
• ANATOMICAL SHAPE
• TOE LACING SYSTEM FOR ADJUSTABLE FIT, PRECISION AND PERFORMANCE
• MIDSOLE SUPPORT STRUCTURE
• EDGE FRAME TECHNOLOGY - SUPPORT AND FLEXIBILITY
• DUAL-DENSITY SUPPORT, DUAL-DENSITY MOLDED EVA MATERIAL
• PRECISE GRIP
• VIBRAM® CLIMBING GRIP, MEGAGRIP™ OUTSOLE
• LIGHTWEIGHT RUBBER REINFORCEMENT, EXTENDED FRONT AND SIDE PROTECTION
• REAR LOOP, EASY TO PUT ON AND ATTACH TO THE SEAT
• GORE-TEX® WATERPROOF AND BREATHABLE

Specifications:
Upper: WR synthetic ballistic material
Lining: Gore-Tex® Extended Comfort
Insole: Anatomical, Ortholite®
Midsole: Dual-density molded EVA with high rebound compound
Outsole: Vibram® Megagrip™