From early morning to the chill of winter, nothing stops a dedicated runner. Thats why UA built baselayer Cold Gear tights specifically for the needs of athletes on the run. Along with Under Armour's signature lightweight, soft, ultra-warm construction, there are 360 Reflectivity, strategic hex breathability, & a back zip pocket for your mp 3 player, phone, keys, or fuel. Everything a cold weather runner needsin one ultra-lightweight package. Features Dual-layer fabric gives you an ultra-warm, soft interior & a slick, fast-drying exterior Lightweight hex fabric on back of the knee for extra breathability 4-Way Stretch fabrication allows greater mobility & maintains shape Signature Moisture Transport System wicks sweat away from the body Anti-Odor technology prevents the growth of odor causing microbes Graphics & logos provide 360 Reflectivity for safer low-light training 30+ UPF protects your skin from the sun's harmful rays Smooth, chafe-free flatlock seam construction Rear zip pocket Iconic UA Run blade graphic Polyester/ Elastane