Upgrade your outdoor Adirondack chairs with the Sunbrella® Outdoor Adirondack Chair Cushion, designed to deliver lasting comfort, style, and performance in any outdoor setting. Made with high‑performance Sunbrella® fabric, this cushion resists stains, fading, water, mold, and mildew, so it stays vibrant and comfortable season after season. The cushion features a high‑density foam core wrapped in layers of densified polyester for supportive comfort that stands up to regular use, whether you’re relaxing on the patio, porch, or deck. A heavy‑gauge fabric strap secures the cushion to your chair to help keep it in place.