7 For All Mankind Luxe Dress in Blue. Size L, S, XS. 92% cotton 6% elastomultiester 2% elastane. Made in Tunisia. Machine wash. Unlined. Front snap button closure. 4-pocket design. Lightweight denim fabric. 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.