Nike Caitlin 1 — Warning Code: US release details

Sold out at Nike SNKRS US (US), checked October 6, 2026. Listed price: 140 USD. Product listing.

Opticast upper, Air Zoom Turbo and Cushlon are the Caitlin 1’s core setup. Warning Code is style IH7423-700, distinct from the same-day Caitlin Blue release.

Nike’s US size catalog spans women’s 5 / men’s 3.5 through women’s 19.5 / men’s 18. The October 6 check found no available sizes for this colorway.

Collector context

Warning Code introduces Caitlin Clark’s signature line in yellow, but its identity runs deeper than the opening color. Nike launched the Caitlin 1 alongside Caitlin Blue as the first shoe in Clark’s signature collection. The yellow counterpart gives the debut a second visual direction while retaining a design built around her movement, initials and jersey number.

Clark’s brief was unusually specific. In Nike’s account of the development, the team describes three goals: a quicker first step, more separation on the step-back and a faster shooting motion. Designer Ben Nethongkome connects the Opticast upper to an idea explored in Nike’s Breaking4 running project: small surface nodes. On the Caitlin 1, those nodes vary in height and rise into a wave-like structure around the forefoot. Nike presents that geometry as part of its response to lateral movement. The texture is central to the design brief, with the surface geometry doing more than supplying decoration.

The nodes are cast polyurethane, and the collection announcement pairs them with forefoot Air Zoom Turbo and Cushlon cushioning. That gives the shoe two different areas of emphasis: a highly articulated outer surface and a cushioning package concentrated around Clark’s stop-start game. The cement-like sockliner artwork adds a quieter personal reference, recalling the driveway court where she developed her range.

Look closely and the upper’s surface becomes lettering. The exact Warning Code listing identifies molded CC and 22 forms, a double Swoosh and Clark’s signature at the heel. The shoe carries her identity across several scales: small repeated marks in the texture, large side branding and a handwritten signature at the rear. Underfoot, the messages encourage three-point shooting and taking shots from anywhere. The common inscription, “It was never a long shot,” brings that attitude onto both shoes.

The CC mark itself predates this footwear debut. Nike unveiled it in August 2025, describing two interlocking C’s with a smaller C tucked between them. The mark first appeared on apparel before the signature shoe arrived. That distinction helps explain why the Caitlin 1 can feel like the beginning of a footwear line and the continuation of an already established visual identity at the same time.

Warning Code also works as a partner to Caitlin Blue. Nike’s design feature describes the yellow and blue launch treatments as opposites, extending a theme of doubles: two C’s, two 2’s and two overlapping Swooshes. For readers comparing the debut pairs, that color relationship is the meaningful choice. Warning Code expresses the same first-model design language through its yellow-led palette, with the smallest details still tied to the athlete whose name is on the heel.

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Source: official product or release details.