Castelli Venti Soft Merino Socks – Total warmth for your feet on the coldest days The Castelli Venti Soft Merino socks combine soft merino wool with thicker construction to keep your feet warm in the heart of winter. With a 20 cm cuff height, they offer warmth, durability, and style. Material: Blend of merino wool and nylon Knitting technology: Natural wool for thermal insulation, nylon for resistance Breathability: Medium – ideal for cold weather Fit details: High 20 cm cuff Weight: Thick – for maximum insulation Specific technology: Extra thick thermal construction – the warmest from Castelli