If you're hunting for a casual and at the same time on-trend ensemble, marry a grey v-neck sweater with skinny jeans. Make a bit more effort with shoes and complete this outfit with a pair of tan suede chelsea boots.
Grey V-neck Sweater with Skinny Jeans Casual Chill Weather Outfits For Men
For something more on the relaxed end, consider wearing a grey v-neck sweater and skinny jeans. You could perhaps get a bit experimental when it comes to shoes and complete your getup with a pair of white plimsolls.