Adidas Climawarm+ Tights

For any running outfit, you need a base layer that hugs against the skin. Yes, we're talking about tights. If it's below freezing, a tight layer will hold in the the heat and protect your skin from drying out. Adidas Climawarm+ Tights act like spandex, but feel like flannel – and are just right for the coldest days. [$60;]