Under Armour Women's Ponytail Run Beanie EVO ColdGear Thermo Lining - Retains heat close to the head to deliver optimal warmth without contributing excessive weight. Form Fitting Construction - Adheres to an array of head shapes and sizes. Four-way Stretch Fabrication - Maintains shape and accelerates the speed at which the hat dries. Reflective Under Armour Logo - Finishes the piece in a clean, simple aesthetic and helps keep you visible in low light conditons. Fit - One size fits all.