7 For All Mankind Slouch Short in White. - size 31 (also in 23, 26, 27, 28, 29, 30) 7 For All Mankind Slouch Short in White. - size 31 (also in 23, 26, 27, 28, 29, 30) 100% cotton. Made in China. Machine wash. Zip fly with button closure. 4-pocket styling. Split cuffs. Subtle stretch twill fabric. Shorts measure approx 13.5 in length. SEVE-WF42. 7U744795. 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.