Adidas - Brandclub - adidas Womens Backless Ponytail Hat 。Women\'s Black Backless Ponytail Grey Logo Adjustable Elastic Baseball Caps With this running hat for women, your sweat is wicked away to evaporate fast and keep you comfortable. Backless workout hats for women with elastic closure for an easy fit. Ponytail hat with a structured front panel silhouette. Feel cool and dry with these running hats for women that support your body\'s cooling system through the power of advanced materials; your sweat is wicked away to evaporate fast and keep you comfortable.