The Aubrion React Sleeveless Base Layer is designed to keep you cool, comfortable, and performing at your best in warm conditions. With a lightweight, body-fit design, it offers a smooth, second-skin feel that moves effortlessly with you during every ride or workout. Constructed with four-way stretch fabric and ergonomic paneling, it allows for unrestricted movement while maintaining a streamlined silhouette. Moisture-wicking, rapid-dry technology helps keep you dry, while the ¼ zip neckline with chin guard provides adjustable ventilation. Finished with subtle, self-color Aubrion branding, it’s a versatile warm-weather essential. Key Features: Lightweight, sleeveless body-fit design with four-way stretch Moisture-wicking, quick-dry fabric with UPF 50+ protection ¼ zip neckline with chin guard for ventilation and comfort