So what's the big deal with Quiksilver WarmFlight® technology? When you feel it, you'll know. It's the difference between brrr and ahhh. And it's what makes the Aker Quarter-Zip Fleece a top choice for extra warmth and water blockage. You've had countless fleece tops and sweatshirts in your time. But none have been as deluxe as this fleece phenomenon. Add the Aker to your cold weather toolbox and frigid temps won't stand a fighting chance.