Lightly used, but some stains across the front and back from I don’t know what. Hard to see unless up close. Ten Thousand - The Interval Shirt is the gold standard for training shirts. It’s built to move fast, breathe easy, and handle every workout without compromise. Constructed from lightweight, sweat-wicking fabric with high-stretch mobility, the Interval Shirt is equally at home in max-effort conditioning, tough strength days, and miles on the road. Bonded seams and a streamlined fit ensure comfort that never distracts. This is the shirt built to push the limits. FEATURES - Light and breathable performance fabric Cling-free, sweat-wicking, and quick-drying Permanent Odorblock™ treatment Anti-chafe flatlock seams Durability tested to resist 20,000+ abrasions and 100+ PSI 3M Easy Care for durability