The Charleston is an everyday ultra-lightweight crew, designed with the hues of summer and everyday comfort. With its tropical twist on a traditional Fair Isle pattern, the Charleston is a perfect pair to reach for in warm weather.U.S. Merino Wool: We source our 100% U.S. grown merino wool exclusively from sheep raised by American farmers on American farms. Merino wool keeps you cool in the summer and warm in winter.Light Cushion: Cushion that is light in weight along the base of the foot only. This all-season construction is highly versatile.Crew: Traditional sock height that fits firmly on the lower calf, also known as the daily.Seamless Toe Closure: Advanced knitting techniques create a totally flat connection in the toe box, reducing bulk and eliminating blister-generating friction.Durability Assured: Reinforced construction and low-stress seam placement reduce wear and tear, increasing the life of the sock.