Pyjamas by Wolf Whistle, Youre invited to this PJ party, V-neck, Adjustable straps, Sheer lace inserts, It's all in the details, Trouser bottoms, Stretch waist. 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.