Walking socks from Thorlo & Horizon. Waterproof socks from Sealskinz. Blister free socks from 1000 mile. Welly socks from Hunter. Ski socks from thorlo. A good pair of socks are as import as your boots, whether you subscribe to the two pairs of sock or single sock school of thought, good socks are a must. If you want wicking sock look at Coolmax, for warmth try merino wool or silk.
Hydration
