🌟 Classic Performance: Elevate your outdoor adventures with this timeless 100% recycled polyester baselayer from Patagonia. 🌟 Smooth and Soft: The smooth, soft face of this baselayer makes it a breeze to layer under your favorite outdoor gear for added warmth and comfort. 🌟 Advanced Insulation: Featuring hollow-core yarns and a diamond-grid back, this baselayer efficiently traps warm air, wicks moisture away from your body, and dries fast, keeping you comfortable in any conditions. 🌟 Odor Control Technology: With HeiQ® Pure odor control, you can stay fresh and confident throughout your activities, no matter how intense. Most Versatile Baselayer Smooth, soft face makes for easy layering; HeiQ® Pure odor control keeps things fresh Raglan Sleeve Construction Raglan shoulder seams allow freedom of movement, with full underarm gussets for range of motion and chafe-free comfort Easy Venting Front Zipper Center-front zipper vents body heat and is backed by kissing welts for low-bulk comfort next to skin Stretchy Comfort Stretch for added comfort and improved fit during movement 🌟 Slim Fit: Designed for a sleek and streamlined look, this baselayer offers a slim fit that's perfect for layering without adding bulk. 🌟 Versatile Performance: Whether you're hitting the slopes, going for a hike, or just enjoying a Supporting the People Who Made This Product Made in a Fair Trade Certified™ factory, which means the people who made this product earned a premium for their labor