Crochet Pattern – CP87 – Double Breasted Baby Jacket & Beret – UK terminology UK terms 0 to 3 months Requirements 200g UK double knitting, AU 8ply yarn 4 large buttons, 2 small buttons 3.5mm crochet hook Tension: using double knitting and 3.5mm hook, 9tr x 5 rows to 2â€/ 5cms