[header] How to dress for snowboarding [title] Wear a helmet whenever you are pushing yourself. [step] Many snowboarders choose not wear helmets but they are often making a big mistake. While snowboarding, you may catch an edge and you could slam your head on the snow very hard, potentially causing brain injuries. 
If you're just learning, you're going to fall and you should protect your head. If you're pushing your skills in the terrain park, you're going to fall, and no one wants to bang their head on the rail or land on it after falling twenty feet out of the sky.