The 1000 Mile Fusion Walking Sock breaks the mould with its innovative design and material technology. This sock offers the 1000 Mile double-layer sock's BLISTER-FREE GUARANTEE. It features padded comfort zones on the heel, toe, and Achilles tendon. The high-volume Merino wool provides warmth and volume, making it perfect for Autumn/Winter and Spring. Its length is ideal for wear with high ankle walking footwear.