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The Sulfur upper is made and shaped to a specific anatomical hoof to ensure a precise fit. This allows the shoe to fit the foot like a glove. Its superior forefoot and heel hold provides firm support for high performance on even 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 insoles and an Ortholite footbed, we provide a unique anatomical underfoot design that adapts to the shape of your foot.

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

The Sulfur is a fast entry shoe with an anatomical, wrap-around shape and good support and comfort for endurance. It provides grip, precision and climbing performance on technical terrain.

The Edge Frame Plate is made from thermoplastic polyurethane (TPU) and is inserted into the core of the boot to be rigid and add support while climbing, while allowing the boot to flex freely where needed. The result: climbing performance meets hiking comfort. Longitudinal elements promote stiffness and torsional rigidity in the toe and midfoot area. The cut-out transverse layout allows for greater flex in the metatarsal area.

The Sulfur midsole is specifically designed to have two areas of varying density: a higher density area from midfoot to toe, and a lower density area under the heel. The higher density EVA provides torsional rigidity and flexural stability - adding additional support to the Edge Frame technology.

1. Climbing lacing system promotes wrap-around in the forefoot and toe area, allowing for extremely fast and precise lacing adjustments.
2. The midsole is specially designed with two different densities. It uses a softer EVA compound in the heel area - to provide more cushioning and adaptability to the terrain. This ensures optimal walking comfort.
3. The midsole and rocker sole profile has a precisely defined shape that promotes a smoother transition from heel to toe. This allows you to go longer distances with a higher level of comfort.
4. Sulfur outsole has a flat climbing zone at the toe. Designed for climbing, this special feature provides advanced precision, toe and edge strength on slabs, ledges and edges, making it an ideal choice for steeper walls.
5. In the center of the Vibram® outsole, under the arch of the foot, is a rubber arch gripper. This gives the shoe additional technical performance. The specific shape of its ''teeth'' provides better grip on slippery ridges and elevated edges, as well as on via ferrata rungs and ladders.
6. The Sulfur model features a sturdy rear loop that helps to grip the shoe. It also allows for quick and secure attachment to the back of the seat post.

• ADAPTIVE SHAPE TECHNOLOGY SET AROUND YOUR WALKING BOOT
• ANATOMIC SHAPE
• ADDITIONAL BAG STRUCTURE
• EDGE FRAME TECHNOLOGY - SUPPORT AND FLEXIBILITY
• DOUBLE DENSITY SUPPORT, DOUBLE DENSITY MOLDED EVA MATERIAL
• PRECISE STRENGTH
• LASER GRIP VIBRAM®, MEGAGRIP™ LINE
• LIGHTWEIGHT RUBBER REINFORCEMENT, EXTENDED FRONT AND SIDE PROTECTION
• BACK SHOE, EASY TO PUT ON AND ATTACH TO SADDLE
• WATERPROOF AND DURABLE GORE-TEX®

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™