The Stratum Series revolutionizes the warmth-to-weight fleece category, delivering unmatched performance without the bulk. Crafted with Toray Group’s Karuishi Fleece, each piece is engineered to retain body heat, maximize mobility, and layer effortlessly within your system. From opening day to the season’s final flight, the Stratum Series is a critical component for waterfowl hunters who demand comfort, function, and stealth in every condition.