Under Armour Womens Threadborne Streaker Brand_Adidas Xero A1 utilizes red LEDs

Xero A1 utilizes red LEDs while A1i gives you the option to use red or green LEDs

TEN-TAP® Programmable switch allows user selection of one of three different programs: 1

the Fresh Foam precision engineered cushioning helps you run freely without sacrificing a soft landing

The lightweight and flexible knit upper is styled in muted winter colors

Inside Zippered Pouch

Under Armour Womens Threadborne Streaker Brand_Adidas Xero A1 utilizes red LEDsProduct Description Under Armour Womens Threadborne Streaker T Shirt Fitted: Next to skin without the squeeze. Under Armour reinvented STRETCH. The problem with stretchy fibers is that they don't perform. UA fixed that by making new fibers that are still stretchy but feel lighter, dry faster, and won't stretch out. UA Microthread technology in the fabric dries faster, wont cling to you, wont chafe and stretches without absorbing sweat. Features: