Reebok - Nano X4. Color Black/White/Orange Flare. On sale for $140.00. MSRP $150.00.. 4.0 out of 5 stars+9Brand NameReebokProduct NameNano X4GenderUnisexColorBlack/White/Orange FlarePrice$140.00MSRP: $150.00Rating4Rated 4 stars out of 5(252)