The perfect combination of durability and microclimate control made with GM ReRapt and 37.5 Technology 120g/160g Hybrid construction with heavier weight in high-wear areas Raglan sleeve with a gusseted underarm panel ensures sustained comfort without restricting movement Spandex thumb loops to keep sleeves in place when moving Fitted, low-profile hood with overlapping neck Flatlock seam construction designed for fewer friction points Hanger loop for heatless drying Odor-resistant fabric