100% polyester. Moisture-regulating, quick-drying, Light and comfortable, Anatomical fit, Raglan sleeves, extended back, Low-friction flatlock seams, Stand-up collar with concealed zip and chin protection, Zip inside of collar and raglan seams in contrasting colour, Threepart open back pocket, small zipped back pocket, wide sleeve hem, elastic waistband made of silicone, JN513: waisted.