Introducing the latest high-performance training shoe from the TRAIN PUMA squad, the PWR NITRO SQD. This universal training shoe features our brand-new NITRO SQD technology, which is executed with a dual density nitrogen-injected outer to provide enhanced midsole banking during lateral movements. The internal compound is single density NITRO foam to allow for rebounding and cushioning. With PWR NITRO SQD, you'll receive not only world-class comfort and stability during your next high intensity gym session, but it's also an eye-catching addition to your workout wardrobe. Pwr Nitro Squared Training Shoes