Dri-FIT technology 3/4-length Compressive fit Durable mesh fabric These Nike Pro Hypercool Training Tights are a perfect base layer for your workout needs. Body-hugging, they keep you cool and dry thanks to durable mesh and Nike's Dri-FIT technology fabric. They come with a compression fit, ideal for support, and a 3/4-length for just the right amount of coverage when you're active.