Temperature-Regulating BodyThis long-sleeve bodysuit is easy to layer thanks to its lightweight, seamless design. EMANA® yarn's infrared properties harness the body's own heat to benefit the skin and regulate temperature. It is topped off with a turtleneck collar.EMANA® yarn is a smart polyamide yarn containing far infrared technology which uses body heat to improve the skin well-being / The properties are climate regulation, Thermal, Dry, Comfort, Stretch, Care, Lightness / Seamless / Knitted on high neck, long sleeves body,