Sweater Weather

As I first thought about this headline the weather in Israel was hot and I didn't thought about wearing a sweater. But in the last few days the weather changed suddenly and I freeze a bit and stay inside as most as I can. So DIY-ideas could\should be conducted.
I already found some and here is one of them:

Just take a simple striped shirt (mine got lost in the laundry), sew a uni coloured pocket on it and draw some symbol on it like a heart. I love it!

(source:urbanoutfitters.co.uk)