Reebok - Nano X3. Color Cold Grey/Cold Grey/White. On sale for $79.97. MSRP $140.00.. 4.1 out of 5 stars+7Brand NameReebokProduct NameNano X3GenderUnisexColorCold Grey/Cold Grey/WhitePrice$79.97MSRP: $140.00Rating4Rated 4 stars out of 5(333)