Plank was broke, in debt, and crying in his car after losing his last $2,000… and that same company would become a $5B brand.

In this issue, I break down Kevin’s underdog story in a way that shows how a simple problem, told well, can spread from locker rooms to the global stage. I’ll also share:

Enjoy this underdog story from the locker room…LG

Kevin Plank attended Georgetown Preparatory School, one of the most elite institutions in the D.C. area. 

Unfortunately, he was expelled in his sophomore year because he failed two classes and got into a notorious drunken brawl with Georgetown University football players during a Founder’s Day event with open beer kegs.

From there he landed at Fork Union Military Academy in Virginia, a school known for producing NFL talent. His class alone sent 13 players to the NFL draft, including Heisman Trophy winner Eddie George.

THE SWEAT PROBLEM

In Maryland, Plank noticed something that drove him crazy. During practice, the cotton T-shirts players wore under their pads would soak through with sweat. They got heavy. They clung. 

At halftime, the team spent five to ten minutes pulling shoulder pads off and swapping out drenched shirts just to get dry. It felt like playing in a wet blanket. 

But the compression shorts players wore below the waist stayed dry. Same workout. Same heat. Same body. The synthetic material wicked moisture instead of absorbing it. Every player had the same issue.

Nobody in the athletic apparel industry was looking at what athletes wore beneath their equipment. The under-layer was always just a regular t-shirt or your lucky T-shirt. A dry cotton T-shirt weighs about 6 ounces. Saturated with sweat, it could weigh 2.5 to 3 pounds.

Plank kept asking the same question: if the fabric works for the bottom half, why not make a shirt out of it?

THIRTY-NINE TRIES

In the spring after his last year playing football, Plank put his idea to work. He ripped the content label out of his compression shorts to identify the synthetic material. Took the label to a local fabric store in Beltsville, Maryland, and found a material that matched his concept.

He took that fabric to a local tailor and brought him a tight little white Hanes T-shirt, asked the tailor to make as many T-shirts as possible that look like this out of this material. That got Kevin seven prototype shirts and cost $500. 

He then gave them to his former teammates at the University of Maryland, who were playing other sports, and asked them to try the shirts during workouts. Within a couple of days, the guys came back saying they liked it but had suggestions for improvements. A baseball player said the other guys on the baseball team wanted one. A lacrosse player said his girlfriend's lacrosse team wanted one.

After graduating, Plank drove to New York’s garment district to research synthetic fabrics. He and his friend Kip Fulks, a former collegiate lacrosse player, started building prototypes. They built 39 prototypes, trying to get the fit and performance right. 

Version #0037 turned out to be the fit they were looking for. They nicknamed it “The Shorty,” as it was soft, skin-tight, stretchy, and dried faster than anything else on the market. 

The shirts were essentially made from fabric similar to women's lingerie. Players had to be convinced to wear them, so he played on their vanity. 

The good thing was that big athletes in second-skin shirts looked like they stepped out of a comic book. They loved the way they looked. 

Soon, the product sold itself before there was a company to sell it.

THE MISTAKE THAT BECAME THE BRAND

Plank started the company from his grandmother’s townhouse on in Georgetown. She had recently passed away, and Plank was part of her estate, so he was able to live rent-free. Kip moved in with him, and they started working on the business 24/7. 

Originally, Kevin wanted to call the company “Heart” to capture passion and identity, but the trademark wasn’t available. Then he came up with “Body Armor.” It fit perfectly. Protection, toughness, performance. He even told people that was the name of the company. But it too got denied. That one hit hard.

Soon after, he grabbed lunch with his brother Bill. While talking about the business, Bill casually said, “How’s that company you’re working on… Under Armor?” 

Bill had either misremembered or misheard “Body Armor,” but the phrase “Under Armor” immediately clicked for Kevin. The product was worn under the uniform as a kind of second‑skin protection. 

Plank kept the name, added the British spelling so they could use the phone number 888-4ARMOUR, and locked in the trademark. 

That mistake became the brand.

PLAYER BY PLAYER

Working from the basement, Plank invested roughly $17,000 from a rose delivery business he had run in college and used the 5 credit cards he had gotten in college to fund the business. 

He got a list of all the equipment managers in the Atlantic Coast Conference and sent them prototypes. 

Plank loaded shirts into the trunk of his car and drove up and down the East Coast selling them. 

He would map routes to visit 10-20 schools per trip, hitting one team in the morning and another in the afternoon.

He loaded shirts into the trunk of his car and drove up and down the East Coast, calling every equipment manager in the Atlantic Coast Conference who would pick up the phone.

He passed out prototypes to only the best athletes, trying to create an aura of authenticity around the shirt. He told former teammates to wear the shirts and, if they liked them, to give one to each guy in the locker next to them and have the equipment manager call him.

THE BET

His first real order came from Georgia Tech. The equipment manager asked for 350 shirts. Plank could only afford to send 60. That was everything he had.

By the end of his first year, Under Armour had generated $17,000 in revenue. By 1997, Plank was broke. He maxed out five credit cards and piled up $40,000 in debt. 

Plank was desperate to make payroll. He needed about $2,500 more to cover checks. He took the last $2,000 from the bank, drove to Atlantic City, and tried to double it playing blackjack.

He got up to about $4,000 at one point, then decided to go for more. Lost it all.

Kevin drone back toward Maryland. He had filled his car with gasoline before entering the casino, which was the only reason he could drive home. But he couldn't pay the toll at the Delaware Memorial Bridge. They stopped the line of traffic. A toll worker came out and wrote down his license plate. 

He described it as one of the lowest points. "I certainly wept on that day, sitting in my car, going, you blew it. You blew it. You blew it."

He drove to his mother's house for dinner. When he arrived, there was a package waiting from Georgia Tech containing a check for $7,500 for more shirts. That check saved the company.

The Georgia Tech deal opened the door to N.C. State. From there, word spread player to player, locker room to locker room. After a Florida State game, an equipment manager for the Atlanta Falcons, a Florida State alumnus, saw players wearing the shirts and wanted them for his team.

“I’m sitting in grandma’s basement in Georgetown, and the phone rings,” Plank has recalled. “The guy says, ‘I’m the head equipment manager for the Atlanta Falcons, and we want to buy your shirts.’” 

ANY GIVEN SUNDAY

Plank started leveraging all those football contacts he made in high school and college and sent care packages to the 30 former teammates he knew in the NFL.

His friend Jim Druckenmiller, a 49ers backup quarterback, became a walking advertisement in the San Francisco locker room. 

Then Oakland Raiders quarterback Jeff George was photographed wearing an Under Armour mock turtleneck on the front page of USA Today. Plank had not paid a cent for it.

Later that year, Warner Brothers contacted Under Armour to outfit two football films: Oliver Stone’s Any Given Sunday and The Replacements. 

The filmmakers expected free product. 

Plank, sitting in his grandmother’s basement yelling to turn down ‘The Price is Right’ to his roommates, insisted on being paid. 

The film’s producers relented and ended up buying over $40,000 worth of gear. In Any Given Sunday, Jamie Foxx’s character wears an Under Armour jockstrap with the logo visible on screen.

The phone did not stop ringing. The ad generated roughly $750,000 in direct sales. Under Armour went from making 17,000 in its first year to $400,000 in its third year to $5 million in its 5th year. 

For the first time since starting Under Armour, Plank put himself on the payroll.

PROTECT THIS HOUSE

By year seven, Under Armour had reached roughly $10’s of millions in revenue, driven mostly by compression shirts and base-layer gear sold into high school, college, and pro locker rooms. It was growing fast, but still largely unknown to everyday consumers.

In 2003, they made a bold move. Their first national TV ad: “Protect This House.”

The spot featured Eric “Big E” Ogbogu, then with the Dallas Cowboys, standing in a gritty locker room surrounded by young athletes. He led a call-and-response chant that built intensity with each line, ending in the now-iconic moment:

“We must protect this house!. I will!”

That six-word phrase became a cultural flashpoint.

It generated more than 500,000 email and phone responses after airing and helped Under Armour more than double its revenue the following year.

The ad struck a nerve in the consumer market and enabled Under Armour to break out of the locker room and into the mainstream.

In November 2005, Under Armour went public on NASDAQ. The stock was priced at $13, opened at $31, and more than doubled on its first day of trading, the first U.S. IPO to do that in five years. 

Today, Under Armour generates approximately $5 billion in annual revenue, employs more than 14,000 people, and operates in over 40 countries.

Kevin Plank didn’t build Under Armour with a polished narrative. He built it through lived experience, painful moments, and relentless execution. That’s exactly why his story works. It’s specific. It’s honest. And it’s easy to repeat.

The best founder stories aren’t invented. They are pulled from real moments and told with clarity and conviction. Plank’s story shows how powerful that can be when done right.

Here are three lessons founders can take directly from how his story comes to life.

Kevin Plank built Under Armour from his grandmother's basement. No billion-dollar parent company. No legacy brand name. Just a former walk-on football player who knew what it felt like to peel off a soaking wet cotton t-shirt after practice.

He competed against Nike. Adidas. Reebok. Brands with decades of history, stadiums full of endorsements, and marketing budgets bigger than most companies' total revenue.

And he won shelf space anyway. Not because he outspent them. Because he out-storied them. He told the story of the guy who played the game, felt the problem, and solved it himself. That story stuck.

Under Armour went from $17,000 in revenue its first year to over $1 billion in annual sales in just 14 years. At one point, the company delivered 32 consecutive quarters of 20%+ year-over-year growth — one of the fastest sustained runs in retail history. And when Under Armour went public in 2005, the stock more than doubled on its first day. The first U.S. IPO to do that in five years.

In Kevin Plank’s Under Armour gamble: Taking last $2k to Atlantic City, Plank shares the moment he thought the company was over. With $1,500 in the bank and $40,000 in debt, he lost his last $2,000 in a casino and hit rock bottom. Then a $7,800 check from Georgia Tech arrived and changed everything.

This clip captures the raw reality of building from nothing, and how close most success stories are to failure.

Watch here: 

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