Warm enough for a walk or ride to town on cool mornings or nights, this snap button shirt/jacket has a relaxed fit and everyday style that's never out of place. Breathable, low-bulk insulation and a DWR coating give you lightweight weather protection, and it's easy to layer it over a T-shirt or under a puffy jacket when temperatures drop. When a shirt isn't enough but a puffy jacket is too much, this hits the sweet spot. The PrimaLoft(R) Evolve insulation keeps you warm, while the design and fit helps regulate body temperature for active comfort all through your day. . Slightly relaxed fit layers well over a T-shirt and under a jacket 100 grams PrimaLoft(R) Evolve active insulation for breathable low-bulk warmth Durable water repellent finish for quick-drying performance Zippered interior chest pocket and hand pockets secure essentials Snap front design. GOREWEAR Crossover Insulated Running Shirt Jacket Men's in Black | XS