If you don't want DNA to be the only match this Father's Day weekend, consider this swimwear.
What better way to spend Father's Day than relaxing with your dad at the beach or by the pool in matching swimwear.
One father-son duo are donning a summer classic for Inside Edition — the boxer trunk.
Dale Clark, 67, and his 34-year-old son Kyle live in Los Angeles. Their swimsuits are not too loose or too tight, which are ideal for tossing around the football.
Color is key this season with bold solid colors as well as stripes and fun prints.
To get beach ready, Dale and Kyle work out together. They were even on the cover of the Iron Man fitness magazine.
In New York City, 45-year-old Orlando Ortiz and his 18-year-old son Christopher hung out at a rooftop pool wearing tri-color trunks, which are in style this summer. All bathing suits were provided by Bloomingdales.
When people see them together, they always get the same comment.
"Nobody can ever believe he's my dad," Christopher said. "They always think he's my brother."
In Texas, 55-year-old David Tepera flexed with his 18-year-old son Dylan.
Read: Mama June Dons 'Baywatch'-Style Swimsuit After Dropping 300 Pounds
They wore trunks that are more like board shorts.
The Houston pair works out together and has even competed in bodybuilding competitions.
“Working out together is a lot of fun," Dylan said. "We motivate each other."
Watch: Killer on the Beach: The Hidden Danger of Umbrellas and the Destruction They Can Cause