If you spend much time riding around America's arid Southwest, Ethiopia or some other sweltering locale, you know that when it's hot outside, it's way hotter inside a set of leathers. Usually, about the time we're thinking this thought, some goofball comes ripping by in board shorts and a Metallica T-shirt. We're wondering if he'll end up in the burn ward before we collapse from heatstroke. But fear not. BMW Riders' Apparel has a safer, more comfortable alternative. Comprised mainly of a tough, polyamide mesh fabric, the Venting Machine is surprisingly lightweight for a riding suit. There's enough airflow at freeway speeds to keep you as cool as Mr. T-shirt and much better protected. And because bare skin dehydrates the body far too quickly on a hot day, you're much more comfortable in a vented suit than without one. There's an integral back protector, along with BMW's removable form-fitting Prosafe armor in the shoulders, elbows and knees. And with one understated badge on the jacket, you don't have to ride a BMW to wear it. We've been lucky enough to stay off the pavement in this suit, but it looks to be plenty substantial for anything but track riding.