Polyester/spandex sleeves feature 4-way stretch and laser perforation enhanced airflow Hybrid fit with set-in style tailored sleeves Taped collar and cuffs Moisture wicking material keeps you dry Minimal seams for maximum comfort Laser cut holes for ventilation Tail silicone print helps keep jersey tucked in Flat-stitched seams minimize irritation. JRSY PRM ANALOG BK/WH MD