Reebok - Nano X4. Color Hyper Green/Black/Vector Red. On sale for $100.33. MSRP $150.00.. 4.0 out of 5 stars+8Brand NameReebokProduct NameNano X4GenderUnisexColorHyper Green/Black/Vector RedPrice$100.33MSRP: $150.00Rating4Rated 4 stars out of 5(252)