A perfect insulating piece for the blind or the tree stand, the Primer Jacket boasts an incredible warmth-to-weight ratio and packs down small enough to fit in your blind bag or pack. Unlike traditional packable insulation, the Primer Jacket is constructed from a soft brushed fabric for whisper-quiet performance, and the lightweight stretch body fabric provides unrestricted range of motion.The Primer Jacket is insulated with 80gsm of PrimaLoft(R) Gold synthetic insulation and features a windproof membrane to keep hunters warm all season long. When the weather gets really wet and cold, this jacket becomes the warmest, most comfortable midlayer in your bag as it integrates seamlessly with all our waterproof outerwear jackets. Parker is 5'9" 175 wearing a size Medium.