Few pieces of clothing are as versatile, enduring, or essential as a great pair of jeans. The right jeans can anchor your wardrobe, serving as a foundational piece for countless outfits. But get them wrong, and you could find yourself grappling with constricting fabric, an awkward cut, and an unfortunate saggy bottom. To help you find the perfect fit, we researched hundreds of men’s jeans and tried on 36...