• Fabric: advanced 92% Polyester, 8% Spandex, 280GSM thickness; Anti-static, no pilling and won't shrink after washing; Fabric wicks moisture and dries quickly to keep you dry and cozy in cold weather 
• 1/4 zip mock collar provides high neck coverage that can block out the cold as well as let you open up for venting when you feel hot
• Technical thermal treatment material helps absorb water vapor from your body and convert it into heat; Double-sided brushed fabric adds softness and warmth; Smart odor control property helps avoid the embarrassment of smelly sweat
• Flatlock seam construction and no itchy tag design reduce chafing; 4-way stretch delivers a flexible range of motion; What's more, its elastic resilience also makes the shirt won't lose its shape after washes
• Thumb loops on the cuff of the sleeves help to keep the sleeves firmly in place
• Designed to help regulate your temperature during high-intensity hiking, fishing, biking, hunting, and more; Can be worn alone or under layers to stay dry and warm on chilly days.