7 For All Mankind Super Stretch Faux Leather Skinny Boot in Black. - size 30 (also in 23, 24, 25, 26, 27, 28, 29) 7 For All Mankind Super Stretch Faux Leather Skinny Boot in Black. - size 30 (also in 23, 24, 25, 26, 27, 28, 29) 93% polyester 7% elastane. Made in China. Machine wash. Zip fly with button closure. 5-pocket styling. Soft faux leather fabric. 14 at the knee breaks to 20 at the leg opening. SEVE-WP100. 7N807F01. 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.