Functionality
Briefs do a great job of keeping balls in place but can cause chafing in the thighs especially when you’re moving around. Some briefs also come with lift support.
Briefs are good for shorter guys as it exposes more of a man’s legs. It’s best for day to day wear, but it’s not considered good underwear for working out. For sports, it’s recommended to use boxer-briefs instead.
Boxer briefs cover a man’s inner thighs. It’s safe to wear in the gym, moves with you and avoids chafing. It has a smooth elastic waistband that’s comfortable and a smooth surface. It has more support for working out.
Versatility
Briefs are cut to cover everything but do not cover your thighs. This is good for skinnier clothing (like skinny jeans) and but could look a little bit old-fashioned.
Boxer briefs provide more coverage. Being the lovechild of boxers and briefs, this is in the shape of the traditional boxer but fitted out of soft material.
This has been the go-to style of undies for most guys. It’s also the most versatile. It’s not as revealing as briefs but offers support with thigh-skimming powers.
Ladies Preference
According to GQ, 64.5% of women prefer men who wear boxer briefs (by a landslide!) while only 5% of women prefer men who wear briefs.