A soft and breathable crew neck base layer for extended exercise in cold and fair conditions the craft active range combines air channeled polyester and filament yarns to create the ideal micro climate for cool weather endurance work outs the craft active extreme 20 women39s base layer is made with long sleeves to give coverage to the whole arm for colder days the crewneck cut helps to protect the base of the neck from debris and the weather flatlock stitching is featured throughout