WonderWire® design features a padded underwire with an extra layer of cushion to prevent wire poke. Seamless, non-stretch double-layer cups contain the bust securely. Stay cool and dry with moisture-wicking fabrics. Move freely with the two-way stretch back that offers a flexible fit. Customize your fit with adjustable straps and back closure for ultimate comfort. Nylon/poly/elastane blend for a durable and soft touch. Hand wash for long-lasting use.