This technical T-shirt features PRIMALOFT® ACTIVE EVOLVE insulation with a brushed texture that weighs just 95 grams while providing thermal regulation and moisture management. The design includes external storage pockets, 4-way stretch fabric reinforcement at high-wear areas, and adjustable hem with internal drawcord. Side seam pockets with hidden zippers offer secure storage, while the stand collar design adds wind protection and versatility as a midlayer.