On Running Singlet

The On Core Singlet is a performance-oriented running top for female athletes that offers lightweight comfort and technical functionality for training and competitions. This model features a minimalist black-on-black design and is sleeveless to ensure maximum ventilation and freedom of movement. Made from high-quality moisture-wicking fibers, the singlet effectively regulates sweat production, keeping female runners dry and comfortable across various distances and intensity levels. The material provides a soft, breathable feel against the skin while maintaining durability through repeated use and wash cycles. Strategically placed mesh inserts enhance airflow in key areas for body temperature regulation during demanding training sessions. A streamlined fit with minimal seams reduces friction potential, making this singlet suitable for long-distance runs where comfort is crucial. The design includes reflective elements for better visibility in low-light conditions—a practical safety feature for early morning or evening runs. The cut follows athletic proportions with a slightly extended back hem for secure coverage during dynamic movements. This singlet represents a successor model in On's running apparel line, incorporating feedback from female athletes to refine fit and performance features. The fiber composition balances stretch with structural integrity, allowing for natural movements without loss of shape over time. Care instructions recommend machine washing at 30°C with similar colors to preserve fiber properties and colorfastness. Available in size L, this singlet offers female athletes a performance top that combines technical features with subtle aesthetics for focused training sessions and competitive events.