Very stretchy fabric ( comparable to leggings ), netting areas are very stretchy, 90% solid, sweat resistant. Very flattering thicker fabric that helps hold in heavier areas of your upper body. Perfect for working out. If you’ve purchased my seamless bodysuits and love them, then you’ll love these! ➖DETAILS for S/M ➖ Fit: TTS Fabric: 88% Poly & 12% spandex Length: 24.5” Pit to pit: 13” Difference between each size: 1” ➖BOUTIQUE DISCOUNT➖ 10% off 3+ items using the, Self Checkout feature