Go hard as you want, this quietly sleek jacket for winter athletics keeps you in the zone of just right comfort, neither cold nor hot from hardworking muscles' thermal output. Just-rightness is owed to a light layer of classic PrimaLoftA(R) microfiber insulation. The close-fitting silhouette of stretch fabric and insulation is fast with class. *This is a final sale. No returns or exchanges.*2 way mechanical stretch fabricJapanese made fabric PrimaLoftA(R) Gold insulationDWR treatment sheds light moistureBungee waistbandLaser cut underarmPanelled nylon/spandex underarmNylon/spandex cuffNylon fabric of 60% recycled yarnFabric weight: 42 GSMGarment weight: 290 gramsYKK zippersThis product gives to 1% For The Planet100% of carbon footprint is offset with Climate NeutralBluesign approved fabric60% recycled Nylon fabric55% recycled insulation