You're a mountain biker. And let's be honest, you shred on your two-wheeled steed. But, you've got a job, too. These fine dress socks will let people in your office know that you don't just send it on the trails. You also send it in the boardroom. And if you're not a mountain biker but looking for a mountain bike gift ideas? You're in luck. These distinctive socks make for a great mountain bike gift for men.