Go for a simple but casual and cool outfit by pairing a v-neck t-shirt and blue jeans. You could perhaps get a bit experimental with footwear and add a pair of brown leather casual boots.
Blue Jeans with V-neck T-shirt Casual Cold Weather Outfits For Men
You'll be amazed at how easy it is for any guy to get dressed this way. Just a v-neck t-shirt combined with blue jeans. Let your sartorial sensibilities really shine by rounding off your ensemble with white leather low top sneakers.