The Sidi Vertigo Motorcycle Boots in size US 4.5 (EU 37) are designed for young boys who enjoy motorcycling. These black boots feature a red color highlight and are made of durable textile material. With adjustable ankle and calf straps, reinforced heel and toe, and breathable design, these boots provide comfort and protection for all seasons. The waterproof construction ensures feet stay dry during rides, making them suitable for motorcycle racing and recreational activities. The Sidi brand is known for quality and performance in the motorcycle gear industry.