The Sirius Winter is designed for winter mountaineering, thanks to the membrane Primaloft that provides thermical efficience. It is a soft boot from the fit and it is equipped with connections for automatic crampons, which makes it also suitable for use on waterfalls ice. Due to its characteristics it is also ideal for winter work at height.
|Single or Double boot
| Best Uses: Technical Mountaineering, Alpine Climbing, 4-Season
Also designed for: Technical Ice and Mixed Climbing
|Toe + heel bail - all crampons styles will work (universal, semi-auto, and auto)
US: 7 - 12.5 (half sizes)
|Materials & Construction
| Upper: Suede Leather idro and kevlar effect with PU film + microfiber
Footbed: Breathable foodbed in microfiber activated with active carbon, coupled to Sanitized® antibacterial fabric, with shock absorber support in perforated PE for cushioning.
Liner: Primaloft + Membrane breathable and waterproof eVent with excellent thermic insulation
Insole: Nylon + glassfiber
Midsole: EVA double density with PU
Sole: Vibram Teton