When faced with powerful and surprise gusts of wind, the last thing you want to discover is a snapped pole or rib that leaves you without refuge from blistering summer heat. If you're looking for shade that can withstand the elements for long-term protection, then this 11' Sunbrella Aluminum Market Patio Umbrella with Collar Tilt and Fiberglass Ribs is your best bet. This combination of materials is incredibly lightweight yet remarkably strong, withstanding corrosion and sudden breezes that threaten to damage less flexible umbrellas. Easily open and close your umbrella with the convenient crank lift mechanism, allowing for fast relief from the sun as it rises overhead. When the blazing sun shifts position, a simple twist of the adjustable collar tilt mechanism effortlessly angles your shade to keep up with the sun's movement, instantly providing a cool haven from the hot rays for both you and your guests. Its Sunbrella canopy is a premium outdoor performance fabric that is composed of solution dyed acrylic fibers, and is supported by a 5-year warranty that resists the elements and fading. As an added benefit, this fabric can be machine washed on a delicate cold cycle. Designed to survive whatever mother nature throws your way, this market patio umbrella has you covered on those scorching summer days. Relax and enjoy your time under the sun!Features:Sleek, premium solution dyed acrylic Sunbrella fabric provides UV and water resistant shade beneath its 11-foot octagonal canopyDeluxe collar tilt mechanism above the crank gently angles the canopy to provide protection from the sun no matter how high it is in the skyConstructed with highly flexible fiberglass ribs and a durable aluminum center pole, providing a combination of increased wind resistance and stability for your shade.Umbrella includes a 5-year Sunbrella canopy warranty against fade or damage in addition to a 1-year frame warranty against damage or defect; fiberglass ribs offer a 3-year warrantyCompatible with most market patio umbrella bases that feature a 1.5-inch diameter (base is sold separately)