Sonic the Hedgehog Costume - Large - Dress Size 12-14 Our women's Sonic The Hedgehog costume includes dress with attached tail, gloves, and shoe covers. The adult Sonic The Hedghog costume and Tails costume each also includes a headpiece with ears. Choose from Sonic The Hedgehog costume (blue), Knuckles costume (red) or the Tails costume (gold). These women's Sonic The Hedgehog costumes make a great group costume idea for you and a friend or two. This Sonic The Hedgehog costume for women comes in adult sizes Large, Medium, X-Small, Small.