Under Armour TB12 Sleep Shorts Men's Running Apparel Midnight Navy/Carbon Heather : Labled the athletes recovery sleepwear, the Under Armour TB12 Sleep Shorts are designed for the focus, health conscious athlete. Muscle recover is of great importance for athletes that train and compete at high levels. These shorts are fitted with TB12 Recovery Technology used by professional football player, Tom Brady. TB12 Recovery Technology features a pattern on the inside of a soft, comfortable fabric. Bioceramic material emits Far Infrared waves that have been scientifically linked with helping to improve muscle recovery and enhance sleep. Fitted: Next-to-skin without the squeeze. Super-soft, modal fabric is breathable and perfect for lounging and sleep. 4-way stretch material provides a comfortable, adaptive fit. Moisture-wicking properties pull sweat away allowing fabric to dry quickly.