Popsugar Fashion Winter Fashion Best Grandpa Sweaters | 2021 Shopping Guide These 15 Grandpa Sweaters Make the Warmest Winter Layers January 5, 2021 by Shelcy Joseph View On One Page Photo 2 of 15 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 2 Fair Isle Mock-Neck Sweater This Fair Isle Mock-Neck Sweater ($33, originally $110) is perfect for road trips. Fair Isle Mock-Neck Sweater $33 from bananarepublic.gap.com Buy Now Previous Next Start Slideshow Winter FashionFashion ShoppingShoppingSweaters