The Crocs Freesail Chelsea is a women's waterproof ankle boot with a closed and rounded toe shape, slip-on closure, and a low platform heel. The boot is made of synthetic upper and outsole materials and features the Crocs logo as an accent. It is available in blue and US size 9 with medium calf width and shoe width. The boot is suitable for winter and fall seasons and has a solid pattern. It is part of the Freesail Chelsea product line by Crocs.