Water drainage, even in deep water, is granted by the presence of large grooves in the footprint area, regardless of the angle. The central longitudinal grooves are deeper and longer to increase water evacuation.
Good rubber, very quick dispatch time, I was hoping to get a newer produced tyre (this one was done in the first half of 2014) ... still good quality and good value but not perfect .... but I guess this are the risks on buying tyres online