Features: adidas® Black pack contains (3) Black with Gray pairs, (3) Gray with Blue pairs White pack contains (6) White with Gray pairs Moisture wicking Extended full cushion footbed 360° textured arch compression Mesh toe cooling channel Reinforced heel & toe Durable welt cuff Smooth toe seam Content: 73% Acrylic│24% Polyester│2% Natural Latex Rubber│1% Spandex Sizing/Fit: Men’s Regular: Sock size 10-13 (fits shoe size 6-12) Men’s Extended: Sock size 14-16 (fits shoe size 12-16)