Rotolore’s ultra-lightweight design gently wraps around your cranium for a secure fit. Flexible temples adapt for all-out comfort, but continually spring back to their original shape. Add photochromic Polar PhD lenses and what more could you ask for? Choose Your Lens: Polor PhD Drivers: Amber-colored Drivers lens amplifies contrast and definition, delivering vibrant colors in all environments; Poloar PhD CPG (Cool Photo Grey): is ideal for all weather conditions, particularly harsh glare.