KEEN - Nxis Speed. Color Black/Blue Glass. On sale for $81.00. MSRP $135.00.. 3.9 out of 5 stars+2Brand NameKEENProduct NameNxis SpeedGenderWomen'sColorBlack/Blue GlassPrice$81.00MSRP: $135.00Rating4Rated 4 stars out of 5(19)