This relaxed casual pairing of a grey check wool blazer and light blue jeans is very easy to put together without a second thought, helping you look amazing and prepared for anything without spending too much time rummaging through your wardrobe. A pair of black and white suede low top sneakers will bring a playful feel to your ensemble. As the weather is getting warmer, it's time to shed those heavy winter clothes and opt for something lighter, like this getup here. A cool, casual ensemble for a teenager.