X-Sports DECATHLON Nabaiji Shaping Body One-Piece Swimsuit (M-L, Black) Material: 80% Polyamide / 20% Elastane. Size Chart(inch):XXS:(Chest:32-34;Waist:23-25;Hips:34.5-36); XS:(Chest:34.5-35.5;Waist:25.5-26.5;Hips:36.5-38); S:(Chest:36- 37;Waist:27-28;Hips:38.5-39.5); S-M:(Chest:37.5-38.5;Waist:28.5-29.5;Hips:40-41); M:(Chest:39-40.5;Waist:30-31;Hips:41.5-42.5); M-L:(Chest:41-42;Waist:31.5-32.5;Hips:43-44.5); L: (Chest:42.5-43.5;Waist:33-35;Hips:45-46.5); L-XL:(Chest:44-45;Waist:35.5-37.5;Hips:47-49); XL:(Chest:45.5-47;Waist:38-40;Hips:49.5-51.5); Freedom of movement: the chest strengthen support, wide shoulder straps, and more comfortable. Slim: mid-span design.One-Piece design. Selected materials, high cost performance