Bikini briefs by Wolf Whistle, Who else is feeling that summer state of mind?, High-rise waist, Plain design, When less is more, Brief cut, Exclusive to ASOS, Part of the Eco Edit. 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 brands 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.