Looking good while traveling doesn't mean squeezing into jeans or layering a stiff blazer - the best on-the-go outfits are effortless. These days, that means easy matching sets that are as cozy as your favorite loungewear yet still look put-together. And when they can simultaneously make you look slimmer and richer? That's a total wardrobe win! These 17 travel sets on Amazon are proof that soft and loose clothing absolutely can flatter the body.