Wacky by name and appearance but certainly not in terms of function and performance the wackysox collection is the best of both worlds for players who like to make a statement on and off the pitchthe wackysox the joker rugby socks feature an ultra high performance foot made from coolmax and polyamide coolmax is the original moisture management fabric featuring advanced wicking technology which helps keep moisture away from your skin keeping you dry and cool so you can play harderthe exter