SHEEX Performance Sleepwear stretches to move with you, taking inspiration from the softest and most advanced athletic wear. Our Sleep•Fit® Technology represents the softest, coolest and most breathable loungewear and sleepwear you can buy. It’s time to bring your bedtime routine into the 21st century and ditch your old pajamas! Slide into next-level premium function and comfort. Sleep Cool, Sleep Dry, Sleep Comfortable.