The Barely Zero Fixed Cup Clasp Bra introduces Flo Support™ and Bisous Cups™, two technologies that provide greater support and comfort than ever before. Fit tip: If you're in between sizes, we recommend sizing up. Additionally, this bra may feel tight initially but will stretch slightly to adapt to your body. Details Materials & Care Shipping & Returns • Features adjustable spaghetti straps and a back clasp for easy on-and-off. Size XS-S comes with two hooks and size M-L comes with three hooks.• Flo Support™: lower band lined with food-grade silicone in a water-ripple pattern to support and improve breathability and skin comfort.• Bisous Cups™: crease-resistant, fixed laminated cups designed to hug your curves and simplify care.• Made from our highly-elastic blend of CloudFit & Spandex, making it a great option for nursing and fluctuating sizes. • Materials: outer: 70% CloudFit nylon blend, 30% Spandex; cup lining: 86% polyester, 14% Spandex• To lengthen its wear-life, we recommend handwashing your Barely Zero. Dissolve a gentle detergent in cold water (86°F/30°C max) and fully immerse the underwear. Gently press/knead it, then rinse (soak no longer than 5 minutes). Hang or lay flat to dry in a cool, shaded place. If you choose to use a washing machine, we recommend using a laundry bag. • Free Shipping on US orders of $50+.• Free US returns within 30 days! You can review our shipping and returns policy here. Questions? Email us!