A Sherpa Jacket: Old Navy High-Neck Half-Zip Sherpa Sweatshirt This Old Navy High-Neck Half-Zip Sherpa Sweatshirt ($20, originally $50) is so cosy and warm, you'll never want to take it off. Plus, the black goes with everything. Image Source: oldnavy.gap.com Old Navy High-Neck Half-Zip Sherpa Sweatshirt $20 from oldnavy.gap.com Buy Now