Woolpower Felt Insoles are a recycled product made from leftover fabrics from Woolpower's production lines. The high wool content gives great insulation and moisture management. These clever insoles will keep your feet protected from the cold ground underfoot. Woolpower, based in Sweden, uses mulesing-free Merino wool which is ethically and environmentally sourced. Available in Recycled Grey and in sizes EU36-47 High moisture wicking and quick drying for all day comfort Machine washable see instructions on label To keep your Merino wool performing at its best we recommend that you use the Woolpower Wool Wash, available to buy separately Colour: Recycled Grey; Size: 36-37, 38-39, 40-41, 42-43, 44-45, 46-47