The Neon Reflective Vest is an extremely minimalist piece that accommodates capacity for the essentials, comfort for any distance, and brilliant 360 degrees reflectivity. ErgoFit design gives this vest a small footprint and a natural to-the-body feel.A front pocket allows you to carry any size cell phone or a water bottle. The inside of the pocket also contains a key cilp.Soft perimeter binding keeps contact with the skin comfortable during long runs. Reflective details are strategically placed on all sides of the vest for high reflectivity from any direction. In addition to passive lighting, this vest has an attachment on the front that is compatible with the Lumen Clip 180 to create more visibility or to light the terrain ahead of you. Ultraspire Neon Reflective Unisex Lightweight Vest - Hydratation Not Included, Capacity: 31 c.i. (0.5L)