Be seen and stay hydrated with the ultimate minimalist hands free hydration pack that now has a lighting feature that provides over 6 lumens of clear light, perfect when running or walking in low light conditions. Best For: Running, Hiking, Night   STAY SAFE & HYDRATEDThis hydration pack features Light Up Thread on back that provides 6 lumens of max output, to help you to be seen when on the road, along with 1.5L bladder provides hands free access to liquids provides energy so you can focus on your run or hike even during low light conditions. COMFORT & SECURE FITBreathable moisture wicking mesh on shoulders and back, and chafe free binding with adjustable front sternum and side straps will ensure a secure fit.