Dress by ASOS Collection Made from pure cotton denim. Classic pinafore styling. Pull-through button fastening to the front. Patch pocket detailing to front. Waist pockets. Pleated skirt. Vintage wash finish. Regular fit. ABOUT ASOS COLLECTION. Directional, exciting and diverse, the ASOS Collection makes and breaks the fashion rules. Scouring the globe for inspiration, our London based Design Team is inspired by fashion's most covetable trends; providing you with a cutting edge wardrobe season upon season. Main: 100% Cotton.