While upright, you can bend to the sides to help stretch your waist. (getrippedathome.org)
Made of a soft knit fabric with a wide stretch waist, it's a comfortable, versatile addition to your wardrobe, that can be dressed up or down. (steinmart.com)
'' «Beach cover - up by ASOS Collection, Sheer chiffon, Plunge neck, Shirred stretch waist, Wide - cut short sleeves, Front splits, Relaxed fit, Machine wash, 100 % Polyester. (polyvore.com)