Airblaster Merino Ninja Suit: For those who are unaware, know this: the Airblaster Merino Wool Ninja Suit is the best base layer on the planet. This full body bastion of warmth is made of 100% Merino Wool 4-way stretch fabric and kicks the cold in the keester. There are many ways to utilize the Merino Wool Ninja Suit: 1) Snowboarding first and foremost. 2) Don’t like paying the heating bill? Sleep in your Ninja Suit. 3) Ninja training. Duh! Its warmth will bring joy to all these activities, and it wicks moisture and dries quickly! You can’t ask for a better adult onzie. Seriously, the Airblaster Merino Wool Ninja Suit is the best base layer ever!