DURABLE AMERICAN CONSTRUCTION - Cut, sewn & assembled in the U.S.A. with robust overlock stitching and the highest quality components. Compare Hullo to other brands and you'll recognize our higher quality design, materials and construction. Made for back and side sleepers who prefer a firm, supportive pillow. COTTON TWILL COVER – Preshrunk, machine-washable 7 oz. cotton case that’s soft, breathable, and durable. Keeps your pillow fresh and cool for long-lasting comfort and natural feel. PREMIUM BUCKWHEAT HULL FILL – American-grown and milled buckwheat hulls create an extra-firm, supportive pillow that conforms to your head and neck for proper alignment. A natural alternative to memory foam or polyester foam. ALL-NATURAL MATERIALS – Free from chemical foams, animal products, or synthetics — a vegan pillow crafted for consistent, breathable comfort night after night. COOL & DRY BREATHABILITY – Buckwheat hulls allow airflow to help reduce heat and moisture build-up, keeping you cool all night long. Perfect for hot sleepers seeking a cooling pillow. HIGH-QUALITY ZIPPER ACCESS – Hidden Dunlap zipper and pull pocket make it simple to add or remove hulls, giving you a fully adjustable pillow tailored to your comfort. ADJUSTABLE SUPPORT FOR ALL SLEEP POSITIONS – Adjust the fill to create the ideal shape and firmness for your sleep position. Supports natural cervical alignment for side, back, and stomach sleepers alike. Hullo is an adjustable buckwheat pillow inspired by the traditional Japanese sobakawa pillow. The breathable buckwheat hull fill adapts like a bean bag, cradling your head while helping keep your neck properly aligned. Add or remove buckwheat hulls anytime to customize loft and firmness for side, back, or stomach sleeping. Unlike memory foam, polyfill, or down pillows that compress and trap heat, Hullo stays naturally cool and dry because air circulates through the buckwheat hull fill. Finished with a preshrunk, machine-washable 7 oz. organic cotton twill case, Hullo is made in the USA with buckwheat hulls grown and milled by American farmers.