For optimal warmth without the weight plus increased breathability, the men's Under Armour UA Spectra 1/2-zip top is built with gridded and body-mapped hybrid fleece.
UA Base 2.0 fabric is placed where you need to retain warmth, and UA Base 1.0 is found where you need breathability
Material wicks sweat and dries quickly
95% Polyester 5% Elastane
Generous half-length front zipper makes for easy layering and ventilation; low-profile stand collar
