Product Fit & CompositionModel wears size S.Quick dry, sweat wicking, UV protection.We recommend selecting your regular size for added support during performance.If you're between sizes, we recommend sizing up for the perfect fit.Fabric Composition: Recycled 70% Nylon, 30% Spandex.Be 180 Zip-Up Jacket is a sculpting, high-function layer. This zip-up is your go-to essential whether you're heading out for a chilly morning run, warming up pre-workout, or staying comfortable while traveling. Designed with a cinched waist, the jacket creates a flattering, contoured silhouette while offering tummy control and shaping for a confident fit. Finished with functional thumbholes for added warmth and stability.