Gold has been the traditional metal of choice for men's wedding rings for quite some time, and shows no signs of going out of style anytime soon. There's a few reasons why gold is used for men's wedding rings:

1. Durability: Gold is a relatively soft metal, but it is still durable enough to withstand the wear and tear of daily use. Gold rings are also easy to repair if they become scratched or damaged.
2. Symbolism: Gold is often associated with wealth and prosperity, which makes it a popular choice for wedding rings. The metal's yellow color is also said to represent love, warmth, and happiness.
3. Tradition: Gold has been used in jewelry for thousands of years, and it has long been associated with marriage and commitment. For many people, a gold wedding ring is a symbol of tradition and timelessness.
4. Availability: Gold is widely available and relatively affordable, making it a practical choice for many couples.

While gold is a traditional choice for men's wedding rings, there are many other options available today, including platinum, titanium, and tungsten. Ultimately, the choice of metal will depend on personal preference, style, and budget.