The Nathan Sports Laser Light 5K Belt RX is a race-ready running belt designed for safety, storage, and comfort. This ultra-lightweight belt features an integrated 8-lumen LED thread with a reflective logo to help you stay visible in low-light conditions. Two zippered pockets provide secure storage for smartphones, keys, and small valuables while you run. The belt is fully adjustable and fits waists from 26" to 44", making it versatile for all runners. With a rechargeable Li-Ion battery and multiple light modes, it's perfect for early morning or evening runs when visibility is key.