Soft, highly breathable Merion wool keeps feet dry, odor free and comfortable all day long. Achilles support keeps your sock in place, a reinforced heel and toe area increases durability and strength and instep support provides stability.  Blisters are prevented thanks to seamless toe closures which also help reduce bulk. Improved ventilation thanks to a breathe zone on the upper foot.  87% WOOL 31% NYLON  2% ELASTANE We say - the mid-weight sock is a perfect Winter weight for Ireland as it's lovely and warm. You could wear this weight with a boot during summer (an Irish one of course) too.