Aero Medium Impact Bra Constructed from stretchy, breathable fabric for support during medium-impact activities like running or HIIT, the Aero Medium Impact Bra is fully adjustable for all-day comfort. Model wears a small Product details Medium impact support bra Supportive moulded cups Adjustable wide elastic straps Breathable perforated fabric Centre back hook and eye closure. Medium Impact Support: Medium impact support bra with moulded cups and adjustable hook and eye closure Total Comfort: Soft underband elastic with adjustable wide elastic straps allow full range of motion in total comfort. Stay Dry: Perforated moisture-wicking fabric increases breathability and keeps you dry throughout the toughest running, HIIT or spin sessions. Fabric Composition: Main: 77% Nylon & 23% Elastane, Mesh: 71% Polyamide & 29% Elastane