Swimsuit by Wolf Whistle, Printed swim fabric, Scoop neck, Lattice sides, Brief-cut leg, Hand wash, Exclusive to ASOS, You heard it here first. Founded in 2012, London-based label Wolf Whistle specialises in sleep sets, lingerie and cup-sized swimwear. With some styles designed exclusively for ASOS, the brand's made-you look bikinis help you prep for the poolside, while its sleepwear, bras and briefs are finished with luxe satin fabrics and delicate lace trims.