Golf Tee Pattern (Dark Navy)The easiest way to determine a S&B belt size is to add 2 3 inches to a men's pant size. If the recipient wears multiple pant sizes, use the largest size to calculate the correct belt size. This formula works best with chino style pants. If in between sizes, round up to the next size. Using denim sizing is not recommended. Some individuals may need to go up an additional belt size. For detailed measuring instructions, click below.