Which of these globally recognized sports products was originally invented as a medical compression device before becoming a mainstream athletic performance item?

In the world of sports retail, some of the most iconic products have fascinating origin stories that even dedicated fans might not know. This particular product was originally designed as a medical device but found unexpected success when adopted by athletes for an entirely different purpose. The inventor never imagined it would become a multi-billion dollar sports retail category that transformed athletic performance and recovery. Test your knowledge of sports product history with this trivia question!

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Compression sleeves (initially developed to improve circulation for patients with vascular conditions)
Energy gels (initially developed as a glucose delivery system for diabetic patients)
Athletic tape (initially developed as a skin-friendly adhesive for hospital wound care)
Foam rollers (initially developed as physical therapy tools for spine alignment)