This will inspire your young skiers. The Hero J4 prepares young athletes for future success with a focus on comfort, performance, and warmth. The four-buckle shell design adapts to common problem areas and offers an adjustable cuff for increased support and a customized fit. Junior last width - The shell is designed to address common problem areas and fit perfectly. Focus on comfort - Comfort Fit liners made of soft material provide all-day cushioning and warmth. Durable aluminum buckles - 100% aluminum buckles for durability and ease of use. Compatible with GripWalk® (sold separately). GRIPWALK® soles with a rubberized tread and articulated toe area provide a more natural walk and increased traction.