- Comfort zone down to -35C

- Retractable cleat combined with anti-slip outsole

- 100% Extreme Waterproof Bootie sock

- Waterproof Zipper

- 200gr Thinsulate insulation

- Lining: 50% merino wool/50% polyester

- removeable aluminium/felt layer

- natural rubber outsole

- rust-resistant stainless steel cleat