The women's Ultra Lite Riga Stripe socks in navy color are specially designed to be comfortably worn inside tighter and more formal shoes. With an amazing thermal protection rating of 1.0 TOG, these thermal socks are three times warmer than a simple cotton sock, offering more thermal protection with less bulk.

Formal and tight socks can often be cold to wear. Not only do they offer less insulation than everyday socks, but most socks that can fit inside them provide minimal or no thermal protection. The Heat Holders Ultra Lite are different!

• Size: UK 4-8, EUR 37-42, US 5-9
• Length: Crew length socks
• Fabric composition: 89% Acrylic, 10% Nylon, 1% Elastane
• Machine washable: Machine washable at 40°C. Heat Holders can be tumble dried but are happiest when dried by laying flat.