Youth Moto 4.5 Jersey: Features and Specifications: Core comfort and performance in a jersey built for young riders at the track. Comfortable, ride-ready fit that works with or without protection. Soft-touch 3D Stretch Mesh fabric that is breathable, durable, and moves with you. X-Flow mesh side panels increase airflow for great heat management. Low-profile collar and stretch-fit cuffs for improved comfort. Silicone grip keeps the jersey securely connected to your pants. Refined classic fit tailored for wearing with or without protection. Materials: 3D Stretch Mesh with soft touch and anti-snag performance. MoistureCool fabric for enhanced comfort. Construction: Technical low-profile stretch collar. Low-profile stretch-fit cuff.