100% polyester. High loft Polartec fleece. Midweight stretchy fabric. Adjustable drawcord. And wander embroidery. Made using high loft Polartec fleece, a lightweight material with excellent heat retention and breathability, the and wander Neck Warmer is designed to keep you warm when the temperature plummets. It features an internal drawcord that allows you to adjust the fit, while being branded with an embroidered and wander logo.