OverviewDeep Winter Wool Socks are the warmest socks PNS makes — a merino-wool winter knit with arch support, reinforced heel and toe, and a compression fit for the coldest rides of the year. Where the Mechanism Thermal Socks handle everyday winter duty, this is the deep-winter grade: the pair you reach for when the thermal socks are not enough and the ride is happening anyway.DetailsBest forThe coldest rides of the winter seasonRiders whose thermal socks are not warm enoughMerino warmth with anti-odour performance on long cold daysDurability, with reinforced heel and toe for heavy winter use SpecsMerino-wool deep-winter knitArch support and reinforced heel and toeCompression fit, unisex sizingSeason: winterSizes: S · M · LMaterials & CareMerino-wool knit for thermoregulation and odour resistance.Machine wash cold (30 C max) on a wool or delicate cycle with a wool-safe detergent.Do not use bleach or fabric softener.Reshape and air-dry flat. Do not tumble dry. Do not iron direct - steam only if needed.Store folded. Moth-proof storage in off-season.Bundle & Save Build a bundle and save up to 15% off. Shop Bundle Builder