Material: 95% cotton + 5% spandex. Breathable, soft and extremely comfortable. Maternity skinny jeans with adjustable waistband and elastic panel. Super stretchy premium denim that can effectively support the abdomen and keeps its shape all day. Neutral Belly Band is adjustable with the elastic waistband to accommodate for a growing bump. The size has been updated,and will not be too small. Size information (inches): US 6= Hip 37.8, US 10= Hip 39.4, US 14= Hip 41.7, US 16= Hip 42.5, US 18= Hip 44.9.