Heini's Sleeveless jersey collection is an extraordinary running experience that prioritizes lightness. These jerseys are so thin and lightweight that they almost feel nonexistent. With their racer-back style and featherweight design, these singlets are the perfect choice for race day or intense training sessions. They also provide exceptional sun protection with a UPF rating of 50+, ensuring you can confidently enjoy your outdoor workouts while shielded from harmful rays.
