Interval Muscle Tee Color:Off White Built from our proprietary midweight

Built from our proprietary midweight performance fleece

it’s designed to feel broken-in from day one and stay fresh through every wear

it’s all business — sweat-wicking

Lightweight and breathable support for all your high intensity sessions

classic fit and technical detailing

Interval Muscle Tee Color:Off White Built from our proprietary midweightThe Interval Shirt is the gold standard for training shirts. Its 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.