Unlike most umbrellas, the Senz has blunt tips,. so you won't poke anyone's eyes out while walking down the street.
If it gets caught against anything the shaft mechanism may jam, making extending the umbrella a chore.
For the standard walking stick model it weighs in at: Crooked handle: 1 lb. 9.2 oz./715 g. Straight, handle: 1 lb. 7 oz./650 g
Resistant is not quite the same as storm proof. Still, it will outlast most conventional umbrellas, and the creators ensure it is storm proof up to and beyond most wind speeds that users would be comfortable using it in.