Ultraspire Lumen 600 5.0 Waist LightThe Lumen 600 5. 0 continues to expand on the functionality and versatility of the best selling predecessor, the Lumen 600 4. 0. This patented design features UltrAspire 3D Lighting which casts shadows across uneven surfaces giving you a better understanding of your terrain. It has a wide flood cone that provides 600 lumens of Steady Beam even lighting for the most natural running experience out of any light. The Lumen 600 5. 0 comes with a secured