Don’t get caught in the rain without a sturdy ... are collapsible and fixed-shaft. Collapsible umbrellas fold down into a portable size that fits comfortably in backpack or purse.

boasts its manu­facturer, touting the "exclusive, rain­drop-shaped wind-release vents" that enable the umbrella to withstand winds of more than 55 mph. GustBusters come in various sizes.