This casual pairing of a navy knit turtleneck and navy jeans is very easy to put together without a second thought, helping you look dapper and ready for anything without spending too much time rummaging through your closet. If you need to effortlessly step up this look with a pair of shoes, why not complete this look with a pair of grey suede chelsea boots? On not so cold afternoons, work this transitional outfit and look absolutely amazing. Interested in fashion tips for 20-year-olds? This outfit is great inspiration.