With Powerstretch Pro, a technical, breathable insulation providing a durable face fabric and motion fit, BC Smartskin is the midlayer chosen by outdoor pros in the backcountry. Adjustable hood. Articulation body. Thumb loop sleeves. Bluesign label. Full zip. 2 zipped pockets. 1 chest pocket. Body: PES 54%, PA 34%, EL 12%. Advancedskin Warm Fleece. Polartec Powerstretch.