Ryka - Optimize Xt. Color Black. On sale for $99.01. MSRP $120.00.. 3.3 out of 5 starsAdd to favorites. 0 people have favorited thisBrand NameRykaProduct NameOptimize XtGenderWomen'sColorBlackPrice$99.01MSRP: $120.00Rating3Rated 3 stars out of 5(10)