The trainers feature the iconic Sonic the Hedgehog character design, making them a fun and unique addition to any young boy's wardrobe. The convenient Velcro closure ensures a secure fit while allowing for easy on and off. Sonic the Hedgehog Character. The durable construction and comfortable low heel make these trainers suitable for all-day wear, whether at school, on the playground, or during sports activities. Available in UK sizes 9-2 to accommodate growing feet..