The Interval Long Sleeve Active Shirt is built for athletes who expect one top to handle every workout. Designed with lightweight stretch performance, it moves easily through lifting, conditioning, and longer efforts without holding anything back. The breathable fabric feels smooth against the skin while managing sweat during high output sessions. Flatlock seams reduce friction so comfort stays consistent rep after rep. Durable construction ensures it stands up to daily training without losing its shape. This is a true workhorse layer made to perform wherever the workout leads. | Ten Thousand Men's Interval Long Sleeve Active Shirt