time to run High Visibility Lightweight Reflective Running/Cycling/Walking Bib Vest with Scotchlite 3M Yellow Lighweight mesh with reflective Scotchlite 3M panelling. Reflective panels to both the front and the rear of the garment. Lightweight high visibility breathable yellow mesh. Two convenient sizes with adjustable velcro to allow ease of adjustment. Machine washable - under 40 degrees Highly Reflective Scotchlite 3M Detail Lightweight Polyester mesh Two handy size for a more precise fit. Note that sizes come up small so if in doubt please go up a size. Velcro adjustment for a secure fit Ideal for running, cycling, walking and all outdoor sports