A Cosy Vest: Old Navy Water-Resistant Narrow-Channel Puffer Vest When you're cold but not freezing, grab a vest. This Old Navy Water-Resistant Narrow-Channel Puffer Vest ($40) is comfortable, affordable, and a great layering piece for outdoor runs. Image Source: oldnavy.gap.com Old Navy Water-Resistant Narrow-Channel Puffer Vest $40 from oldnavy.gap.com Buy Now