Answer:
1)When choosing a snorkeling mask, your first and foremost criteria should always be a proper fit.
2)However, the most important qualities to look for in a snorkel is it's comfort in your mouth, it's length in case of a swell or wave and the ease of clearing water out of it.
3)Buying a set of fins is like buying a fancy sports car
Yes, you can go by looks and official specs, but to really be happy with it, it must fit you and your style.
