7 For All Mankind Ultra High Rise Skinny Boot in Black. - size 30 (also in 32) 7 For All Mankind Ultra High Rise Skinny Boot in Black. - size 30 (also in 32) 75% cotton 13% lyocell 9% rayon 3% elastane. Made in China. Hand wash. Zip fly with button closure. 5-pocket styling. Coated denim fabric. 11 at the knee breaks to 19 at the leg opening. SEVE-WJ1669. 7U507352. Every person should own at least 7 pairs of jeans, one for every day of the week. - 7 For All Mankind. Changing the perception of denim from everyday basics to effortless statement pieces, 7 For All Mankind quickly reshaped the industry. Born in Los Angeles, CA, this denim brand gained a vast following for its innovative use of alluring fabrics and prints instantly becoming a favorite amongst Hollywood elite.