The lightweight and durable stretch fabric made of 100% micro-polyester offers superior comfort and breathability during outdoor sports. The windbreaker vest is windproof and water-resistant. The rechargeable LED strip on the back improves your visibility during outdoor sports. Easily remove the LED strip from the vest before washing. The mesh fabric on the back improves breathability with its open structure. Put your keys or other valuables in the zipper pocket on the back of this vest. Specifications: Color: yellow Name color: neon yellow Gender: unisex Material: polyester Weight: 160 grams Model: windstopper Size: XS