The STORMaxi® storm umbrella is both effective and sustainable. "It's just smart not to use more materials in a design than you actually need!" This is what the Dutch consumer affairs programme KASSA, aired by the VARA broadcasting association, said in praise of the STORMaxi's® efficient material usage. What's more: the umbrella doesn't break, even under extreme weather conditions! So STORMaxi® is both an effective and very sustainable storm umbrella!ST-12 STORMaxi® aerodynamic storm umbrella. This umbrella has been wind tunnel tested and easily resists winds up to 100 kms/h.The aerodynamic storm umbrella with the broad back for maximum protection against rain!!