Hatley children’s clothing and rainwear collection at Koast. A gorgeous range of Hatley raincoats, Hatley Wellington’s with matching umbrellas in a wonderful selection of prints. Koast also stocks Hatley nightwear, a stunning collection of Hatley PJ’s and nightdresses with matching dressing gowns. Koast also offers a wide range of Hatley swimwear, in a wonderful selection of prints.