Northwave extreme tech plus socksthe extreme tech plus socks are constructed from coolmax yarn this fabric dries quicker than any other meaning your feet stay comfortable and dry for the duration of your ride they feature a long 24cm length which is the choice of many pro riders features material 40 polyamide 35 elastane 25 polyester pro rider choice coolmax durable yarn double elastic hem height 21cm weight 27g buynorthwave clothingfrom chain reaction cycles the worlds largest