Airblaster's Ninja Suit is the best base layer on the planet. Here's 5 reasons why: 4-way stretch air tech fabric, full-length front chest zip, thumb loops at the cuff, 350 degree waist zip, and a front fly zipper. It keeps you warm and dry all winter long, just make sure to wash it every once and awhile or your friends won't want to hang with you.
Classic Ninja Suit (OG Dinoflage) - $119.95