Nike hyperwarm all over print long sleeve t shirt junior boys the nike hyperwarm all over print long sleeve t shirt has a lightweight design with a crew neck long sleeves four way stretchable fabric for a close and comfortable fit with flatlock seams to reduce irritation hyperwarm technology combines sweat wicking thermal fabric with targeted ventilation to keep the wearer remain warm in cold conditions without overheating the top is completed with an all over printed design and nike swoos