Next level everything. This running bra has a flexible, lightweight internal structure that controls all the ways your boobs move. It slows down movement that's annoying at best and painful at worst, providing your boobs with a soft landing.ultralu™Ultralu™ fabric is soft, smooth and powerfully supportivesoftsmoothpowerfullysupportivefeaturesDesigned for: RunHigh support: Intended for high-impact activitiesInternal support system: Internal support system molds to your body. Engineered from injectable foam, it gives you flexible, breathable support so you stay cool and comfortableSoft inside: Brushed fabric interior is soft against your skinLycra®: Added Lycra® fibre for shape retentionComfortable straps : Straps are padded for comfortSoft underband: Brushed elastic underband is soft, not scratchy, and won't dig inHook-and-eye closure: Hook-and-eye closure for a customized underband fit