Here's the performance layer he can count on for all kinds of year-round adventures, even school days. It's made of exceptionally lightweight, breathable and sturdy double-knit stretch fabric that follows the body's natural movements. Four-needle flatlock stitching helps reduce chafing and discomfort while improving durability. Heat-seal tape adds interest and resilience. Dependable zippers at placket and vertical chest pocket. Sunice logos are reflective and 3D.