MINERAL WASHED COLLECTION HSTRY CLOTHING MINERAL WASHED COLLECTION HSTRY CLOTHING MINERAL WASHED COLLECTION HSTRY CLOTHING Navy Milan Printed Washed Sweatshirt Athleisure PrettyLittleThing USA Mineral Wash Shirt Tutorial. Slip into Milana Seam Mineral Wash Sweatshirtsoft, easy, and perfect for busy days on the go. This oversize sweatshirt has a play heart patched design. Made of quality fabric in a vintage shade by mineral wash. The sweatshirt has exposed seam and raw edge details. Designed in a slightly oversize fit to suit different body shapes. Material: 65%Polyester+35%Cotton.