Designed in collaboration with WNBA star Skyler Diggins, the ultra-stylish Nike Dri-FIT Head Tie SD 2.0. will secure all your flyaways. Moisture wicking Dri-FIT fabric ensures you stay fresh and dry when your workout heats up while the customizable tie gives you the perfect fit. Slides right on under the helmet and keeps the flow and sweat from your eyes during games or workouts. Top quality from Nike.