The Lumen 170 2.0 Light Belt is the perfect companion on your early morning run. This waist light features a pocket capable of carrying a large cell phone or any other essentials you might need. Easy to adjust power settings make the Lumen 170 2.0 ideal when fatigued. The conical shape curves and forms properly to the waist and hips for a smooth ride. The belt body is comprised of comfortable and breathable large-holed micro-fiber polyester mesh.