Joules Childs Gruffalo Bamboo Socks Gruffalo. What is there not to love about these socks? They will bring joy to your child’s faces everytime they look down at their feet and be reminded of The Gruffalo tale. The Gruffalo Bamboo socks come in a set of three and are part of the Joules official Gruffalo Collection. They feature some of the favourite characters from the book including, Mouse, Fox, Snake and of course The Gruffalo himself. Each pair are crafted from ultra-soft bamboo that’s breathable, hypoallergenic and thermo-regulating and they sit above the ankle at mid-length with elasticated ribbed cuffs making perfect for pairing with trainers.