The Women's Pinnacle Crewneck from BlackStrap is an all-season base layer that offers as much style as it does tech features. The lightweight contoured fitted design will work with your mid-layer and technical outerwear to keep you comfy, warm, and dry for a wide variety of activities. A custom drop hem tapered design, flatlock stitching, and Ventra System for optimal air movement are sure to make this your go-to base layer for all conditions and outdoor activities. Light, but not too lightweight. In fact, it's just right. Thoughtfully constructed by BlackStrap, EXTEN is a highly versatile brushed 4-Way Stretch, Breathable performance fabric which boasts exten-sive Quick-Dry features. It has Thermal-Regulation to ensure your temperature is regulated while being active with a Soft-Touch next-to-skin feel. EXTEN is also Lens-Safe, Moisture-Wicking, has Odor-Free properties, SpectraUV (UPF 50+) for sun protection, and it's Machine Washer and Dryer Safe.