Show Me Your Mumu Kick Back Pants in White. - size S (also in L) Show Me Your Mumu Kick Back Pants in White. - size S (also in L) 55% linen 45% rayon. Made in USA. Hand wash cold. Elasticized waistband. Side seam pockets. Lightweight woven fabric. Item not sold as a set. 28 at the knee breaks to 30 at the leg opening. SHOW-WP97. MS1-4673. Mumu is not simply a garment, it is a lifestyle. Spontaneous. Fun. Easy going. Unique. Versatile. Imaginative. It all encompasses the mumu, and a way of life.