Women's Denim Button Up Tops Nordstrom Women's Denim Button Up Tops Nordstrom Women's Denim Button Up Tops Nordstrom Women's Denim Button Up Tops Nordstrom Women's Denim Button Up Tops Nordstrom. description: made of 100% cotton, this button up top features ultra soft denim with a lightweight feel. layer over a simple tank and pair it with its matching shorts for an easy, put together look! content: 100% cotton model is wearing a size small item runs true to size; intentionally boxy fit