"Amphipod® Xinglet Optic Beam Max™ Rechargeable Vest: Stay visible during early morning and evening runs with this lightweight rechargeable running visibility vest. The Amphipod® Xinglet Optic Beam Max™ delivers dependable illumination through eight lighting modes, including slow and fast rainbow effects that maximize conspicuity in high-traffic areas. Weighing less than 3 oz, the unisex vest sits on your body without noticeable bulk, so it stays out of the way whether you're logging daily training miles or tackling longer efforts. Front and back reflective zones paired with adjustable side boosters keep you visible from multiple angles as you move through low-light conditions.The vest is built around extended battery performance - up to 12 hours of solid runtime or 23 hours of flashing runtime means you can run through multiple sessions before recharging. USB-C charging keeps the process straightforward with no proprietary cables needed. Moisture-resistant construction holds up through sweat and light weather, while the fully adjustable fit accommodates different body types without restricting movement. If you train in low-light conditions and want a lightweight, rechargeable option that doesn't add weight to your run, this vest delivers the visibility and runtime you need.Why Our Fit Experts Love It""I wore the Xinglet Optic Beam Max™ on a pre-dawn road run and appreciated how the front and back reflective zones kept me visible from every direction. The flashing mode lasted well beyond my run, and I didn't notice the weight at all once it was on."" - Michael, Road Runner Sports Fit Expert, Seattle WAWho It's Best ForThe Amphipod® Xinglet Optic Beam Max™ Rechargeable Vest is best for runners and walkers of all types who train in low-light conditions and need dependable, adjustable visibility gear for daily training and long runs. It works well for anyone who logs early morning or evening miles and wants a lightweight, moisture-resistant option that recharges easily between sessions. VIP Family members can take the Xinglet Optic Beam Max™ Rechargeable Vest for a 90-Day test drive with our Perfect Fit Guarantee."