Functional and generation-defining, the adventure-ready Helm Tech sunglasses provide low-key style and high-tech performance that only SPY+ can deliver. Equipped with easily removable side shields that stay secured to the frame even when folded, so you can block out the sun and haters all at once Hidden sweat channels in both the nose pads and inner temples keep you cool when the heat is on Comfortable rubber nose pads provide a secure fit no matter how hard you sweat SPY+'s revolutionary therapeutic Happy(TM) lens tech is scientifically tuned to boost mood and alertness while enhancing color and contrast, providing a truly life-changing visual experience ARC(R) (Accurate Radius Curvature) polycarbonate lenses are tapered to follow the natural curvature of the eye, providing crystal-clear distortion-free vision while reducing eyestrain Constructed from Grilamid(R), a lightweight frame material ideal for everyday wear due to its strength and flexibility Smooth and sturdy screw hinges 100% UV protection reduces eye fatigue and long-term sun damage Frame measures 57-18-143