Sporty girls trainer liners with non-slip grippers on the soles by Redtag Socks are technically knitted with breathable panels of ventilation mesh for comfort & shape which helps to support the foot Available as either a 3 pack in black, multicoloured or a 6 pack mix of the two Size 6-8.5 is for younger girls & the 4-5.5 is for older girls Machine washable