Surlingham Color:Blue Its integrated heating element is

Its integrated heating element is powered by a rechargeable battery

A versatile fleece that can be worn all year round

The Upwell leaves no stone unturned

offering warmth without unnecessary bulk or weight

retaining performance after continued wear

Surlingham Color:Blue Its integrated heating element isA fully waterproof mid length sock designed for all weather conditions. Aquasealz technology combines complete waterproofness with breathability, letting excess heat and perspiration escape. A merino wool blend interior is moisture wicking, transferring perspiration away from skin and keeping feet fresh and healthy. Versatile waterproof socks ideal for outdoor activities.