Spanx Women's Booty Boost Active Tie Dye 7/8 Legging - Storm Tie Dye. Features of the Spanx Women's Booty Boost Active Tie Dye 7/8 Legging Sculpting Performance fabric provides a built-in booty lift Sweat-wicking Comfortable, 4-way stretch High-rise waistband stays put during workouts 7/8 length hits between the calf and ankle Center-seam free for no camel toe Signature contoured waistband gives the illusion of a perkier rearview Hidden pocket in waistband Fits a phone, key or credit card