Initially known for its performance footwear, On has quickly become a go‑to for high‑performing activewear too. The On training top showcases that innovation with a scuba‑like fabric that creates a smooth, compressive silhouette. Mesh inserts at the front and back boost breathability when your workout intensifies, while underarm panels give you the freedom to move with ease. 68% Recycled Polyamide, 32% Elastane Compressive Close Fit Scuba-Like Fabric Underarm Ventilation Panels Reflective Branding Style Code: 1WF10214406