ASIO Heavy Base Layer Top

After three years of testing out the perfect fabric blends and fit for the ultimate base layer, we believe we’ve landed on the most technical base layer on the market for the whitetail hunter.When you’re sitting for hours on end in extreme cold and windy conditions waiting on that late season giant, don’t let the frigid temps interrupt your sit. Layer under any of our mid or late season outerwear to keep you warm and comfortable in temps below freezing. This heavy base layer provides insulation and protection from those freezing temps when paired with our mid-season & late season systems. This system is perfect for hunts in the bitter cold across the whitetail range.The thin blend of a poly synthetic and merino wool is treated with Active X scent control technology. The fast moisture wicking synthetic, paired with the warmth, heat retention, and natural scent eliminating properties of the merino makes this base layer perfect for the whitetail hunter.Features:290GSM insulationActive X antimicrobial treatmentMoisture wicking technologyNatural scent eliminationHeat retentionWeight: 1.1 lb