If it's comfort and functionality that you're seeking in an ensemble, wear a crew-neck t-shirt with charcoal sweatpants. For maximum style, add a pair of cowboy boots to the equation.
Crew-neck T-shirt with Cowboy Boots Casual Cold Weather Outfits For Men
Look stylish yet comfortable in a crew-neck t-shirt and light blue jeans. For something more on the casual end to complete your outfit, throw a pair of cowboy boots into the mix.