PACKAGE & SIZES: Pack of 4 pairs of cotton grip socks, 3 pairs in black and 1 pair in grey. One size fits all: This size UK 4-8.5 = EU36-44 will suit most people. PREMIUM QUALITY: Our yoga socks are made from 80% high quality cotton and 20% spandex to provide more breathability and keep your feet dry and comfortable. Cotton Machine Wash Modern STABILITY: The non-slip points on the bottom of our Pilates socks help to increase grip on the floor surface, with a fully cushioned sole covering the entire bottom of the grip sock. Helping to prevent slips and falls around the house. COMFORTABLE AND HYGIENICOur Pilates socks help protect your feet from foot fungus, making them perfect for bare feet. WIDE APPLICATIONS: Ideal for home and studio use for yoga, pilates, barre, bikram, martial arts, gym, dance, aerial jumping and many other fitness related activities.