Tecnica Sulfur S GTX WS is a low-cut approach/outdoor shoe designed for technical terrain and changeable weather, with a Gore‑Tex membrane for waterproofing and a Vibram Megagrip outsole for reliable traction. Product code: 212507 00 002. ([ekosport.it](https://www.ekosport.it/tecnica-sulfur-s-gtx-ws-p-9-129861)) Key attributes: Gray | Ballistic synthetic material | Waterproof (Gore‑Tex membrane) | Breathable | High-traction outsole | Water-repellent upper | Ortholite anatomical insole | Double-density EVA midsole | Climbing zone on forefoot | Vibram Megagrip outsole | Low cut | Forefoot climbing zone | Dimensions & fit: Weight: 335 g. ([ekosport.it](https://www.ekosport.it/tecnica-sulfur-s-gtx-ws-p-9-129861)) | Anatomical, wrapped fit with Tecnica AST fit technology; low-cut approach profile. ([sportfits.eu](https://sportfits.eu/products/tecnica-sulfur-s-gtx-ws)) | Composition & care: Upper: ballistic synthetic material (water-repellent). ([ekosport.it](https://www.ekosport.it/tecnica-sulfur-s-gtx-ws-p-9-129861)) | Lining: Gore‑Tex Extended Comfort. ([ekosport.it](https://www.ekosport.it/tecnica-sulfur-s-gtx-ws-p-9-129861)) | Insole: Ortholite. ([ekosport.it](https://www.ekosport.it/tecnica-sulfur-s-gtx-ws-p-9-129861)) | Midsole: double-density EVA. ([ekosport.it](https://www.ekosport.it/tecnica-sulfur-s-gtx-ws-p-9-129861)) | Outsole: Vibram Megagrip. ([ekosport.it](https://www.ekosport.it/tecnica-sulfur-s-gtx-ws-p-9-129861))