New, open bag. A smooth 100% cotton sateen shell envelops the perfectly fluffed cloud-like comfort of down. 100% Hutterite down clusters create a soft place to land anytime, with weights ranging from Lightweight to Ultra-Warm. Treated with antimicrobials, this classic for coziness is finished with our signature loops to keep your soft sleep addition in place in a duvet—in short, it’s a safe bet all around. Baffle box construction means an even distribution of the best kind of fluff, for a perfectly laid sleep plan.