TECHFIT TRAINING LONG SLEEVE TEE - HK2336A TRAINING TEE FOR INTENSE SESSIONS, MADE IN PART WITH RECYCLED MATERIALS. Cardio to arm day, this adidas base layer t shirt will help you power through. Break your personal records in total comfort thanks to mesh on the upper back, where you need it most, and moisture absorbing AEROREADY. Everything about this tee is made so you can move freely, like a dynamic shape and super stretchy fabric.