Train hard. Stay cool. The JUNK Performance Training Tee is built for high-output sessions, with perforated venting, raglan sleeves, and a lightweight 4-way stretch fabric that never gets in the way. Perforated panels along back raglan seams and side panels maximize airflow where you run hottest Raglan sleeves reduce shoulder restriction for a full, natural range of motion Moisture-wicking fabric keeps you dry through the hardest efforts 4-way stretch contours to the body without clinging for a clean, athletic fit