Tops and Bottoms are sold SEPARATELY.
Goodnighties are made with new material that has 37.5 Technology! It has a thermoregulating technology that triggers off of humidity. It helps keep your body at the ideal core temperature of 37.5° Celsius and helps keep the microclimate next to your skin at the ideal relative humidity of 37.5%. It’s also been proven to increase comfort by removing moisture in the vapor stage, before liquid sweat forms, to delay the onset of sweat.
Model picture in the first photo is 5'9 and is wearing a size MD.