Product Description Add to your dad’s essentials with these ‘Rock’ slogan pyjamas. Regular fit. Crafted from pure cotton for a touchably soft feel. Shorts feature a mock fly, comfy drawstring waist and handy pockets. All of the cotton for our clothing is sustainably sourced and always will be.M&S Collection: easy-to-wear wardrobe staples that combine classic and contemporary styles. Part of our "Mini Me" range, with a matching kids version available.