trending Chillys Men's La Montaña Fleece Zip-T Base Layer Top | Heavyweight Active Fit Thermal Underwear Long Sleeve Shirt for Men

100% Blend MaterialsMade in the USA or ImportedMOUNTAIN WEIGHT BASE LAYER - The La Montaña Fleece Zip-T base layer top is truly Hot Chillys king of the mountain for warmth; Designed to follow the body with a lighter feeling fit, this men's heavyweight thermal shirt will keep you warm and soft, no matter your environment or activity; Its unbeatable combination of practicality and comfort make it the perfect men's fleece top for any adventureACTIVE FIT - The fabric consists of brushed, micro-denier polyester fleece for lighter weight and greater strength and durability; But to ensure this men's base layer shirt doesn't interfere with your active endeavors, Hot Chillys has placed stretch panels in key areas of this long sleeve top for added maneuverability; Ideal for those who need the warmest thermal underwear for winter or mountain sports, the La Montaña zip-t shirt with thumb holes is guaranteed to keep you toastyWARMTH FACTOR 10/10 - Ranked from Mild to Hot, the Warmth Factor Thermometer tells you how warm is Hot Chillys thermal clothing; Warmth Factors 9 and 10 are considered great as an extra warm base layer or mid layers for extremely cold weather; The La Montaña Fleece Zip-T thermal shirt for men has a warmth factor 10 out of 10 - mountain weight for exceptional warmth in extreme conditions; In addition, this Hot Chillys men's thermal long sleeve shirt has UPF 40 protectionMOISTURE TRANSFER FIBERS - The Hot Chillys men's base layers are designed for warmth, performance (including but not limited to breathability and moisture management), and wearable comfort; An essential feature in all Hot Chillys cold weather gear is exclusive moisture transfer fibers (MTF) that move moisture away from the body by employing hydrophobic yarns to wick away perspiration, thereby keeping you dry and comfortableSMELL-BLOCKING PROPERTIES - Keep cozy and comfortable during any outdoor adventure with this lightweight, yet powerful thermal underwear; The Hot Chillys men's base layer top has smell-blocking properties; Fabrics that feature this label have been specially treated with Hot Chillys secret chilly seasonings; These products are designed for optimum freshness and will remain in the fabric for the first 20-30 wash cycles Perfect for everyday use. excellent materials and excellent craftsmanship ensure long-lasting durability.