【900+ Superior Fill Power for All Season Warmth】 Derived from mature geese raised meticulously for over 365 days in the frosty Northern Latitudes 43°, Wellos Goose Down Comforter attains a 900+ Superior Fill Power and high cleanliness level exceeding 1000+ after 36 rigorous down treatment processes, delivering a sleep experience akin to resting on a cloud. 【Patented 3D Parallelogram Baffle Box for Thermal Locking】 Wellos patented 3D Parallelogram Baffle Box technology, coupled with the 3D Thermal Sensation System, retains warmth in each compartment while promoting heat circulation, complemented by 1600 TC/DM Cotton Blend Fabric for exceptional breathability, ensuring comfortable warmth without overheating. 【1600TC/DM Cotton Blend Fabric — Experience Silence at Night, No More Crinkly Sound】 The Double Brushed 1600TC/DM Cotton Blend Fabric utilizes a silent weaving technique, guaranteeing softness and smoothness with a friction coefficient as low as 0.2（while others'value is 0.5, causing crinkly noise）. Wellos Goose Down Comforter effectively eliminates crinkly noise, allowing for effortless movement and a peaceful sleep. 【Embrace Comfort for a Decade with 1600 TC/DM Cotton Blend Fabric】 Crafted with a double brushed technique for softness and silkiness, Wellos Duvet Insert is enhanced with patented breathable membrane technology to facilitate breathability by allowing air and moisture to pass through. Wrinkle-resistant and fade-resistant treatments are applied to ensure durability, making Wellos Down Comforters your companion for a decade. 【Preserve the Planet for Future Generations】 Wellos boasts a complete supply chain from goose breeding to down washing. Each down comforter is meticulously crafted, backed by certifications such as DOWNPASS, OEKO-TEX, RDS, and Sedex, reflecting our commitment to animal welfare and ecological balance.