Thor Prime Jazz Jersey The Thor Prime Jersey looks and feels like an authentic track jersey, because it's packed with all the details you need for top tier performance. Fully ventilated arms and back panel keeps you cool while minimal seams provide great comfort. Drop tail design keeps everything tucked while on bike. Features: Hybrid fit with set-in style tailored sleeves Polyester/spandex sleeves feature 4-way stretch and laser perforation enhanced airflow Taped collar and cuffs Minimal seams for maximum comfort Laser cut holes for ventilation Moisture wicking material keeps you dry Tail silicone print helps keep jersey tucked in Flat-stitched seams minimize irritation