Recycled Polyester/Nylon/Spandex SEAMLESS: Beyond-soft, chafe-free fabric stretches with every move BREATHABLE: Sweat can travel through the fabric so it can evaporate on the surface UPF 50+ Anti-Microbial protection EASY CARE: machine wash and dry with no worries IONIC+™ TECHNOLOGY: Odor-controlling antimicrobial silver ions knit in the fabric eliminates odor before it starts ALL-AROUND STRETCH: Provides ultimate comfort and mobility Machine wash and dry.