Youth Kinetic DBK Jersey. The Kinetic DBK Youth Jersey is designed to keep young riders comfortable and confident on every adventure. With a tag-less comfort-stretch collar and relaxed shorty elastic sleeve cuffs, this jersey reduces irritation and allows free movement. Made from lightweight, durable polyester, it offers breathable performance that stands up to active kids. The extended tail keeps the jersey securely tucked in, while the standard fit provides a comfortable, just-right fit - not too tight and not too loose. Perfect for young riders ready to enjoy every ride with ease and style. Tag-less comfort-stretch collar for itch-free, all-day comfort. Relaxed shorty elastic sleeve cuffs allow flexible, comfortable movement. Lightweight, durable polyester fabric designed for active kids. Extended tail keeps jersey securely tucked in during rides and play.