Brooks - Glycerin GTS 21. Color zephyr/Violet/Green. $159.95. 4.3 out of 5 starsAdd to favorites. 0 people have favorited this+8Brand NameBrooksProduct NameGlycerin GTS 21GenderWomen'sColorzephyr/Violet/GreenPrice$159.95Rating4Rated 4 stars out of 5(43)