Reebok - Women's Nano X4. Color Black/Grey/Pewter. On sale for $113.00. MSRP $140.00.. 4.4 out of 5 starsAdd to favorites. 0 people have favorited this+8Brand NameReebokProduct NameWomen's Nano X4GenderWomen'sColorBlack/Grey/PewterPrice$113.00MSRP: $140.00Rating4Rated 4 stars out of 5(116)