Built with a half-zip neck for added ventilation and thumb loops to prevent the sleeves from
levitating up your arms, the Columbia Baselayer Midweight 1/2-Zip Top is as versatile
as it is stylish.
•Slim, form-fitting design reduces excess fabric bulk for an athletic look
•Omni-Wick fabric`s blend of polyester and four-way-stretch elastane provides a comfortable feel that wicks sweat and keeps your body temperature regulated
•Omni-Heat thermal reflective tech reflects body heat back towards your skin for improved heat retention in cold weather
•Antimicrobial treatment prevents the fabric from accumulating odors over time