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The Sulfur S is a fast-moving approach shoe that combines professional climbing precision with all-day hiking comfort.
The Sulfur S is a fast-moving approach shoe that combines professional climbing precision with all-day hiking comfort.
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The Sulfur S is a fast-moving approach shoe that combines professional climbing precision with all-day hiking comfort. Developed with mountain guides to elevate the approach category, the Sulfur S features Tecnica's exclusive AST technology for a precise fit.
SPECS
Weight: 375.0 g
Upper: Synthetic balistic material
Lining: Sock lining construction in soft mesh
Footbed: Anatomical, Ortholite®
Midsole: Bi-density compression molded EVA with high rebound compound
Outsole: Vibram® Megagrip™
TECHNOLOGIES
CLIMBING PRECISION
By combining adaptive memory foams with pre-shaped thermoplastic inserts and an Ortholite footbed, the AST - Adaptive Shape Technology adapts the Sulfur to the precise shape of each foot. Designed around an anatomical last, the Sulfur is equipped with the Edge Frame echnology and a Vibram® Megagrip™ outsole with climbing zone to enhance its climbing performance.
CLIMBING PERFORMANCE
The Edge Frame Plate placed above the midsole provides stiffness and support while climbing, still allowing the shoe to flex freely when walking. The result: climbing performance meets hiking walkability. The longitudinal elements promote stiffness and torsional rigidity at the toe and midfoot. The cut-out crossway arrangements allow for more flex in the metatarsal area.
HIKING COMFORT
The midsole is made with two different densities. The softer EVA compound at the heel provides cushioning and ground adaptability, to guarantee optimal comfort when walking. The midsole and outsole are designed with a front-rockered profile to promote a smoother heel-to-toe transition, to walk longer with a higher level of comfort.
Data sheet
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For those looking for a fast approach shoe
Designed for those who want a fast tech approach shoe with an anatomical, precise fit. The 375.0 g weight helps on long, dynamic sections.
For those who climb and walk for long periods
Suitable for those who alternate approach and climbing and want all-day comfort. The dual-density EVA midsole and soft mesh lining support walking.
For those seeking support and foot precision
Suitable for those who want an anatomical fit with AST technology and a Vibram® Megagrip™ outsole. The structure is designed for climbing precision and stable footing.
Ideal
Technical mountain approach
The shoe is designed for fast, precise movement on approach terrain. The combination of AST, Edge Frame Technology and Vibram® Megagrip™ helps with walking and technical footholds.
Anatomical fit · Vibram® Megagrip™ · Technical walking
Very suitable
Climbing with walking sections
The Edge Frame Plate provides stiffness and support in climbing, while still allowing the shoe to flex when walking. This is consistent with climbing and mixed approach use.
Edge Frame Plate · Support · Climbing
Very suitable
All-day use
The dual-density EVA midsole and Ortholite® footbed focus on cushioning and comfort. The upper in high-strength synthetic ballistic material helps manage intensive use.
Dual-density EVA · Ortholite® · Comfort
Cyclist or mountaineer doing technical approaches
Anyone wanting a comfortable climbing shoe for all day
It weighs 375.0 g. This figure helps place it as a shoe geared towards fast approaches.
The upper is made from high-strength synthetic ballistic material. This is a choice suited to technical climbing use.
The outsole is Vibram® Megagrip™. This indicates a compound designed for grip and stability in technical use.
The footbed is anatomical, Ortholite®. It is designed to support the foot with a more precise fit.
Yes, AST - Adaptive Shape Technology provides an anatomical, precise fit. This is consistent with climbing and technical approach use.
Information prepared by the BSA team with the support of AI, based on the manufacturer's specifications.
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