Sweet Mommy Raised Stretchy Maternity Skinny Pants 74%Rayon, 22%Nylon, 4%Polyurethane [belly part] 95%Cotton, 5%Polyurethane PLEASE READ IMPORTANT NOTE:For a better fit, when you ordering SweetMommy's wear, we recommend that you select ONE or TWO SIZE LARGER than usual. For American sizes we recommend following ratio: US(0-2)-M, US(2-4)-L, US(6-8)-LL, US(8-10)-3L Measurements in INChes: Hips M 32"-41", L 34-43", LL 36"-45", 3L 38"-47"; Inseam M 28", L 28", LL 28", 3L 28"; Belly M 31"-41", L 32"-42", LL 34"-44", 3L 36"-46" Fabric is thick, raised and stretchy. Adjustable belly panel Measurements (cm): M(Belly78-104,Hip82-106,Length109,Rise37,Inseam72,Fork49-59,Hem12.5), L(82-108,86-110,109,37,72,51-61,13), LL(87-113,91-115,109,37,54-64,14), 3L(92-118,96-121,109,37,72,57-67,15)