Double canopy construction Strong but lightweight fibreglass frame Graphite shaft Unique easy-open manual function Master the wet weather with this 8-panel stormproof umbrella from Calvin Klein Golf, ideal for both on and off the course. Crafted around a lightweight sturdy fibreglass frame with a graphite shaft, a supersoft handle offers a comfortable grip, while the reinforced vents and double canopy design ensure extra protection in even the worst weather.