Construction:

3-Layer Merino wool blend insulation with wicking air mesh and perforated air trap foam. Castle Cold Shield® Technology: removable insole, wicking wool blend with metallic heat reflecting layer


Waterproofing:

Fully integrated Castle DRY-X® waterproof membrane. Weatherproof treated shell materials include 1000D nylon upper with Armstrong PU coated leather

Reflective elements

Molded high abrasion toe

Castle Quick Connect buckle system

Snow shield gaiter with bungee cord lock

EVA footbed offers all day comfort & thermal enhancement from the cold

Comfort Rating: -60*F / -51*C

Replacement insoles available