Our white Psycle unisex tube socks are super-soft and comfortable. With an added grip on the sole, they're perfect for barre, reformer and home workouts. - Material: 80% Cotton, 20% Spandex/Elastane - Size Guide: See below S M L UK SIZE 3.5 - 5 6 - 8.5 9 - 10.5 EU SIZE 36 - 38.5 39 - 42.5 43 - 45 Please note our socks will not be eligible for a refund unless the product is faulty.