Try the Old Navy Oversized Plaid Flannel Boyfriend Tunic Shirt The Oversized Plaid Flannel Boyfriend Tunic Shirt ($30, originally $35) comes in four fun patterns and will look great tucked into a pair of pants. Image Source: oldnavy.gap.com Oversized Plaid Flannel Boyfriend Tunic Shirt $30 from oldnavy.gap.com Buy Now