Simcan mid-calf socks offer unbelievable stretch, soft Merino wool comfort and a sag-free guarantee. All this makes one favorite casual sock for men and women, even those troubled by fluid retention, swollen ankles or poor circulation. Natural wool fibers provide warmth and absorb moisture. Simcan's unique construction and superior stretch fibers won't bind (which is good for circulation) or sag (which is great for comfort). This medium weight sock fits easily into active or casual shoes.