The On Core‑T is a lightweight, versatile running tee engineered for everyday training and casual runs. It combines quick‑dry performance with recycled materials for a lower environmental footprint. Materials and Construction - Fabric composition: Typically 92% recycled polyester, 8% elastane, offering stretch, breathability, and rapid moisture management. - Weight: Approximately 89 g, making it an ultralight option for layering or standalone wear. Key Features - Moisture‑wicking, quick‑dry fabric keeps you comfortable during sustained efforts. - Regular fit that balances freedom of movement with a clean athletic silhouette. - Light stretch for ease of motion and improved comfort. - Minimal, easy‑to‑style design suitable for year‑round use.