What Our Gearhead® Experts Are Saying:"The Aero Pro 8S W Jersey is my favorite for fast rides. Its aerodynamic fit, breathable material, and thoughtful pocket design make it a top choice for performance-focused riders."The Castelli Aero Pro 8S W Jersey is engineered for speed, comfort, and performance. With CFD-based fabric placement and seam construction, this jersey is designed to reduce drag and optimize aerodynamics for a sleek, race-ready fit. Lightweight, breathable fabrics keep us cool on warm-weather rides, while bonded sleeve endings and an elastic waistband ensure a secure and comfortable fit. Reflective tabs add visibility during low-light conditions, and three rear cargo pockets provide ample storage for essentials. Whether we’re racing or chasing personal bests, this jersey ensures we’re equipped to perform.