Sponsor comparison
Iron Heart vs Cara Cara
Newsletter sponsorship activity, audience reach, and ad formats — side by side.
Sponsorship breakdown
Fashion & Apparel
Fashion & Apparel
Jacob’s Substack
19K subscribers
P.S. by Plum Sykes
19K subscribers
19K subs
19K subs
A conversation with Converge presented by Iron Heart about workwear, music, and …
Sponsorship celebrating Cara Cara’s equestrian-inspired capsule and introducing …
October 2026
November 2026
Ad copy examples
Iron Heart
A conversation with Converge presented by Iron Heart about workwear, music, and their collaboration.
Cara Cara
Sponsorship celebrating Cara Cara’s equestrian-inspired capsule and introducing founders Julia Brown, Katie Hobbs, and Sasha Martin.
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