This laid-back pairing of a navy puffer coat and brown sweatpants is a fail-safe option when you need to look casually dapper but have no time to craft an ensemble. Rounding off with a pair of grey athletic shoes is a surefire way to bring a hint of stylish effortlessness to your look. You can bet this combo is ideal when warmer days are here. Wondering how to perfect casual outfits as you go through your adolescence? This pairing is the perfect answer.