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The Sulfur GTX is a fast-moving technical approach shoe with a precise fit that provides traction in technical terrain combined with a high level of comfort and walkability throughout the day. The durable 1.5 mm suede leather upper has a waterproof and breathable Gore-Tex® lining that keeps the boot dry and comfortable in all conditions. The boot is manufactured and shaped based on a specific anatomical cut that ensures a precise fit. Thanks to this, it fits the foot like a glove.

The midsole is designed with two areas of different densities to combine greater cushioning and a smoother transition from heel to toe when walking with torsional stiffness when climbing. This is aided by Edge Frame technology, a TPU plate inserted into the core of the shoe that provides support and flexibility exactly where you need it.

The Vibram® Megagrip™ compound outsole has a multi-directional lug pattern that easily adapts to different terrains and changing conditions, while a flat climbing zone at the toe and rubber arch grip improve edge strength and climbing precision on slabs, ledges, and edges.

1. ARCH GRIP
   In the center of the Vibram® sole, under the arch of the foot, is a rubber arch grip. It adds additional 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.
2. BALANCED CUSHIONING
   The midsole is specially designed with two different densities. The heel section uses a softer EVA compound to provide greater cushioning and adaptability to the terrain. This ensures optimal comfort when walking.
3. GREAT FIT
   The Sulfur upper is made and shaped according to a specific anatomical cut that ensures a precise fit. This makes the shoe fit the foot like a glove. Its excellent forefoot and heel support provides firm support for high performance even in the most technical terrain.
4. CLIMBING ZONE
   The Sulfur sole 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.
5. CLIMBING GRIP
   The Vibram® Megagrip™ outsole offers unmatched traction on both dry and wet surfaces. This compound is best in class for durability and terrain adaptation. The multi-directional lug pattern is ready for a variety of terrains and changing conditions.
6. LIGHTWEIGHT RUBBER BUMPERS
   On the toes and lateral and medial sides of the foot, lightweight rubber pads provide additional protection and abrasion resistance from boulders, rocks, and debris.
7. BACKLOOP
   The Sulfur features a sturdy back loop that helps pull the boots on. It also allows for quick and secure attachment to the back of your harness.
8. WATERPROOF AND BREATHABLE
   We use proven outer materials that provide durable waterproof and breathable protection against the elements. The Gore-Tex® extended comfort membrane ensures that your feet stay dry and comfortable all day, all year round.
9. FAST GRIP
   The last, midsole, and unique rounded toe shape have been carefully designed to increase responsiveness, grip, and fast acceleration and transition on technical terrain.

Specifications:

Upper: 1.5mm WR suede leather
Lining: Gore-Tex® Extended Comfort
Outsole: Goretex® G-Tex (G-Tex): Vibram® Megagrip™
Midsole: Inner material: Dual-density EVA with high rebound.
Insole: Soft, firm, abrasion-resistant: Anatomical, Ortholite®