RECOMMENDED FOR: The Racerback 2.0 is perfect for runners who seek that locked-in feel with run ready encapsulation support, and a customizable fit. Upgraded front hook-and-ladder adjustability for stay-put straps and back hook-and-eye closure for a more secure band fit. PERSONALIZED COMFORT: Adjustable brushed bottom band new customizable fit: front hook-and-ladder adjustability for stay-put straps and back hook-and-eye closure for a more secure band fit. LIGHTWEIGHT & BREATHABLE: Perforated unicup delivers breathability and quick-drying performance. Mesh paneling on front and back ensure airflow while the all-new seamless design constructed from sweat-wicking fabric keeps you cool and reduces chaffing.