The fastest thing in the universe? Light. The fastest way to recover? Also light. Infrared light, to be exact. The mineral-lined fabric reflects it back to your body, which helps restore your muscles faster Fitted: Next-to-skin without the squeeze We've created an advanced sleep system for better rest & recovery The mineral-lined fabric returns infrared energy to your body to restore your muscles faster Soft knit fabric is lightweight & comfortable Modern design lines for a sleeker look & feel 4-way stretch construction moves better in every direction Material wicks sweat & dries really fast Raglan sleeves Shaped hem POWERED BY REDWAVE Not intended for use as a medical device Imported