DC Shoes Scout BOA® Snowboard Boots. A warm and durable do-it-all kid's boot, the Scout Boot is designed around the needs of young riders who want to have fun, stay warm, and progress their riding to the next level. The BOA® Fit System and Grom Grow insoles are particularly useful for kids — enabling a precise fit and a boot that is easier to slip on and off. Product details: BOA[R] Fit System with M4 Dial. TX3 Laces. Linerless Construction. Grom Grow Insole. Flex rating: 3/10. Upper: Synthetic. Lining: Textile. Outsole: Rubber. Imported.