Dress in comfort in your favorite pair of big mens jeans. Old Navy has a variety of men's jeans in styles for those hard to find sizes. Check out our selection of men's straight fit, loose fit, boot cut jeans and more. Our sizes in big jeans for men come in up to 48" waist size and feature prices that will surprise you. Enjoy shopping our selection of men's jeans to find the ones you can really relax and be comfortable in.