With the Brooks Nightlife LSD Lite III Running Jacket it's easy to be prepared. This ultra-light jacket packs down into its own pocket, so it's easy to bring along. The Nightlife Jacket is windproof and water-resistant, and surprisingly warm for its weight. The fabric also breathes and wicks moisture, ensuring you stay dry and comfortable. Bright colors and extra reflective details enhance visibility in the dark. Ideal for 40-65°F Windproof and water-resistant to guard against weather Ultra light, weighs just 4.3oz, for comfortable carry and wear Breathable to keep you dry and comfortable Packs into its own pocket for easy carry Double back vents for easy airflow Adjustable hood for weather protection Nightlife bright colors and all-over reflective details for added visibility Semi-fitted cut is tailored, but not tight Size Medium Measurements laying flat | Pit to pit | 18" Length | 24" In excellent preowned condition