Top part is double layer, the bottom is one layer. the fabric is thick and stretchy which is comfortable !! Size chart size XS fit:women bust 76-86 cm, women waist 56-64 cm, dress length 102 cm size S fit: women bust 80-90 cm ,women waist 60-68 cm , dress length 103 cm size M fit: women bust 84-94 cm ,women waist 64-72 cm, dress length 104 cm size L fit: women bust 88-98cm, women waist 68-76 cm, dress length 105 cm size XL fit: women bust 92-102 cm, women waist 72-80 cm, dress length 106 cm Model Pictures 100% Real Pictures