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

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

Accurately reproduce the sound

and repeatability every time you squeeze the trigger

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

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: