BlackStrap® Men’s Skyliner Crewneck is a highly versatile, all-season shred companion. With a classic lightweight Regular Fit design, these base layers 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 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. Staying comfortable in the mountains is all about proper layering and it all starts here. EXTEN fabric technology is a highly versatile brushed 4-Way Stretch, breathable performance fabric with a Soft-Touch next-to-skin feel Ventra System allows air movement where your body sweats the most Dri-Flo moisture-wicking and quick-drying Thermal-regulation Odor-free Lens-safe SpectraUV UPF 50+ sun protection Crew neckline Raglan sleeves Flatlock stitching Drop hem tapered design in front and back Regular Fit Machine washer/dryer friendly Product Features: Fabric:EXTEN brushed 4-Way Stretch, breathable performance with UPF 50+ sun protection BlackStrap Men's Skyliner Crewneck Long-Sleeve Base Layer Top