TRAIL RUNNER LITEVEST PACK 3W Luxeon LED and Vest Pack for Low-Light Running & Hiking Designed for runners, hikers, and others who want to go long distances in low-light conditions, over rough terrain. A low profile, lightweight, breathable mesh pack with a 3-Watt Luxeon LED mounted at chest level for maximum trail visibility and comfort, a 1.5 liter hydration cell storage option, and organized, tricot lined, accessory pocket. Additional features include a sternum-strap slider for optimum f