Keep Cosy In This Stylish Super Soft Fleece Monkey Onesie Smooth Soft Feel To It, Both Inside And Out 100% Super Soft Luxurious Fleece Polyester Features A Hood, Zip Up Front and Ribbed Cuffs. Size S fits UK 8/10, M fits 10/12, L fits 12/14, XL fits 14/16, XXL fits 16/18. --> Fleece All in One Monkey Onesie, UK Sizes 8 to 18