I loves me a free pattern.
The yarn I used was left over from three pairs of socks. The blue and yellow is a scrumptuous Superwash Merino/Tencel Handpainted Sock Yarn from Yarn Lust. The ears are KPPPM and the ribbing is some sort of black-and-white tweedy cotton. Yarn Lust's is one of the nicest yarns I've worked with to date; she has added beautiful hand-dyed rovings and blogs here.