Kiefer washable and reusable adult swim diapers are designed with worry free swimming in mind. White in color, lined with polyester and stain resistant, these suits can be worn alone or under other swimsuits. Kiefer swim diapers offer a trim fit for free movement and will not absorb water like standard diapers. Standard Adult Sizing.Adult Size Chart
Small (28"-30" Waist)
Medium (32"-34" Waist)
Large (36"-38" Waist)
X Large (40"-42" Waist)
XX Large (42"-44" Waist)