Pyjama set by Chelsea Peers, When you just want to be comfy, Revere collar, Button placket, Long sleeves, All-over metallic dollar print, The bolder, the better, Pyjama bottoms, Side pockets, Stretch waist. New York label Chelsea Peers brings us a brilliant range of our latest loungewear obsession- onesies. All-American with a prep-inspired look, Chelsea Peers offers up luxury onesies in plain and printed premium jersey fabrics.