Sleep Climate White Feather & Down Blend Comforter Featuring with 37.5® Technology

233TC Fabric 80% Cotton / 20% Biodegradation Enhanced 37.5® Fiber Fill 20% Biodegradation Enhanced 37.5® Fiber & 80% of 25% White Duck Down 37.5® technology helps keep your body at the ideal core temperature of 37.5° C. 37.5® technology continuously adjusts to maintain a climate of personal comfort all night long – so you can sleep deeper and wake up rested and refreshed. Tested by leading European institutes and the US Olympic Training Center. 37.5 technology is naturally derived and certified “skin friendly” and “hypo-allergenic”. Natural/active particles embedded in the yarn never wash out. Unique active-particle technology attracts and removes moisture vapor. All 37.5® materials now include an enhanced biodegradation technology to accelerate the natural breakdown of yarns and reduce the burden of plastic pollution, creating truly sustainable synthetic fabrics.