Caitlin Clark's new signature Nike shoe nearly sells out within first two hours of release

Sneakerheads and Caitlin Clark fans who haven't already gotten their hands on the Indiana Fever star's new Nike shoes may have to wait for a while to get a pair.

The Nike Caitlin 1s went on sale Thursday morning at 10 a.m. ET on the footwear giant's website and nearly sold out in two hours, according to CNBC . As of Thursday afternoon, only extra-large sizes ranging from women's 16.5/men's 15 to women's 18.5/men's 17 remain in stock on Nike.com .

Clark's signature shoe is also sold out at several national athletic shoe retailers, including Foot Locker, Champs Sports and Hibbett , CNBC reports . However, the Caitlin 1s appear to still be available at Dick's Sporting Goods in "Caitlin Blue" and yellow "Warning Code" colors.

"A lot of thought and time has gone into this shoe," Clark said in an official release . "I never thought I would have my own signature shoe, and now that I do, it's pretty special. I can't wait to share this moment with so many people."

Retailing at $140 a pair, Caitlin 1s have popped up for sale on eBay beginning at $200 and going as high as $300 from sellers.

The shoes are being sold in adult sizes thus far with kids' sizes listed as " coming soon ."

"I hope every boy and girl put this shoe on and hope that they can have a signature one day, or that they can go on the court and make 35-foot threes," Clark added in the Nike announcement . "I hope this gives them that sense of belief and that sense of confidence to achieve whatever they want to."

The release of the Caitlin 1s comes as the Fever face a decisive Game 3 in their first-round WNBA playoff series versus the defending champion Las Vegas Aces . In Game 2's 99-89 win on Tuesday, Clark scored a postseason career-high 27 points with 15 assists and 7 rebounds.

Clark signed with Nike in 2024, agreeing to a reported eight-year, $28 million deal shortly after she was the No. 1 overall selection in the WNBA Draft. While in college at Iowa, she also had an NIL agreement with the athletic shoe empire.

That previous relationship may have given Nike an edge over other shoe and apparel companies that wanted to sign her, including Adidas, Under Armour and Puma. But getting a signature shoe was a key to the deal, something that wasn't originally part of Nike's original offer to Clark, according to The Wall Street Journal .

In her third WNBA season. Clark finished third among the league's top scorers, averaging 22.3 points per game. She was also second in assists, averaging 8.3 per contest, and her 114 3-pointers made ranked fourth in the WNBA.