The rep said the boots are Scotchguarded and are water repellent. That includes the sweater top.
That means you can wear them in wet weather and your feet will stay dry.
They are not made to wade in a deep puddle. You would need a rubber or other waterproof material in a boot to do that.
They should be sufficient to wear in the snow or out while going to and from in the rain.
They are cute boots. I wouldn't be upset if Santa brought me a pair.
I have a pair of water resistant booties made with this faux suede material and I wear them in wet weather with no issues.