This summer, so far, has been on the wet and chilly side, which makes packing for weekend trips tricky. Best to be ready for anything with layers you can peel off or pile on depending on the weather. Cos is one of my go to places when I need layering pieces. I love their minimalist bent with just enough kick to make it interesting, plus the fabrics and quality are great for the price. Here are my picks for last minute summer essentials, all on sale, online, now!