ALBA LONG SKIRT IN WHITE BY OPRA SPORT Season 2; Episode 3; Into The Under Realm The Winx Club Image. The lacy Alba Long Skirt in white is crafted from 90% recycled polyamide and 10% recycled polyester. It has a wraparound design and elongated ties for a feminine bow. The skirt can be worn over tights or trousers, as well as with less underneath for a bolder look. Below knee length Adjustable fit and sizing Wraparound design Colour: White Material: 90% recycled polyamide, 10% recycled polyester