The Core Trim thermal mid-layer is a warm, versatile half-zip mid-layer made of thermal fabric with a brushed interior for added insulation and comfort.The jersey features a thumb hole at the sleeve ends and a side zippered pocket.Works great as an outer layer in cold weather or as a mid layer in very cold conditions.Thermal fabric with brushed interiorHalf zip closureThumbhole at sleeve endsSide zip pocket in woven quality Craft logo on chestTight fit92% recycled polyester 8% elastane