Leaving you boxing gloves in an equipment bag will not allow them to dry effectively. Ensure that you always allow your gloves to dry out. Even if you don’t have time to do any other cleaning you should at a minimum ensure that you have let any sweat or moisture on your boxing gloves dry out immediately after use. If you allow sweat or moisture to stay on your boxing gloves, they could develop mold and will undoubtedly develop a smell. If possible, consider transporting your gloves outside of an equipment bag after use in order to allow them to dry out more effectively.