Bikini top by Wolf Whistle, Goes great with your holiday, Plunge neck, Underwire cups, The supportive kind, You got this, Tie neck, Clasp closure, Exclusive to ASOS. 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 nightwear, bras and briefs are finished with luxe satin fabrics and delicate lace trims.