The Mens 1000 Mile Fusion Walking Sock breaks the mould with its innovative design and material technology. This sock is the first of it’s kind that offers not just the 1000 Mile double layersock’s BLISTER-FREE GUARANTEE but padded comfort zones on the heel, toe and Achilles tendon.. The padding combined with the high volume Merino wool gives warmth and volume perfect for Autumn/Winter right through until Spring. Mid-calf length for wear with high ankle walking footwear. Just what you need when you’re in the thick of it.. Outer layer:. 30% merino wool. 46% nylon. 23% cotton. 1% elastane. Inner layer:. 100% Tactel®