Senz Umbrellas Original, Dazz Buzz, One Size The senz original easily slices through all winds and due to its aerodynamic design always finds the best position in the wind. The light but very strong frame prevents the senz from turning inside out and makes it windproof up to 100 km/h The senz original is equipped with a UV protection of UPF 50+ to provide the best possible protection during all seasons