Woolpower Socks Classic Logo 400 For UK outdoor workers, arborists and long-shift footwear wearers seeking high-quality merino socks with added style. The Woolpower Socks Classic Logo 400 features a mid-height sock constructed with the Ullfrotté Original 400 fabric and a knitted-in Woolpower logo on the shaft—offering excellent insulation, moisture-management and durability. Key Features & Benefits Soft terry-knit foot & rib-knit shaft: High-merino wool content: Durable blend with synthetics: Knit-in logo on shaft: All-season insulation: Technical Specifications Specification Detail Material Composition 62 % Merino Wool, 33 % Polyamide, 5 % Elastane Fabric Construction Ullfrotté Original 400 – terry-knit foot & rib-knit shaft Sizes Available (UK/EU) EU 36-39 / 40-44 / 45-48 Colours Black Care Instructions Machine wash 60 °C; do not bleach; tumble dry low if needed. : Intended Use Mid-weight insulating sock for all-day boot wear in outdoor, work or climbing settings. Why Choose the Socks Classic Logo 400? If you’re spending long hours in boots for tree-care, rigging, outdoor work or simply need reliable comfort in your footwear, these socks deliver premium performance. With a strong merino content, effective insulation and the Woolpower brand logo knitted in, they combine function and style—ideal for UK professionals who value quality, durability and everyday wearability.