Pima Cotton Stretch Fabric Breathable with a premium feel. Wire-Free Support - Molded Wireless Pads provide all-day shape & support. Breathable Perforated Cup Lining - Enhanced airflow to avoid boob sweat and chafe. When To Wear Designed for daily wear and support. Additional Features Fully Adjustable Straps - Wider and softer for a comfortable custom fit. ComfortStrength™ Wing - Provides smoothing comfort — no digging, slipping, or irritation. Cross-Back Convertibility - Secure clips provide two ways to wear: classic or cross-back. Model is wearing a 34B. Fabric & Care 85% Cotton, 15% Elastane Machine wash cold. Tumble dry low.