Lightweight Cap

The On Lightweight Cap is designed to keep you comfortable through every mile. Featuring perforated side panels for maximum ventilation, a high-performance sweatband that wicks moisture, and an updated adjustable fit, it's the perfect companion for road runs, track workouts, and everyday training. What Makes It Special Lightweight 58g design won't weigh you down Perforated side panels maximize airflow and breathability High-performance sweatband wicks moisture away quickly Improved fit with an adjustable branded buckle closure Curved brim provides classic sun protection Reflective On logo enhances visibility in low-light conditions Designed for running, training, and everyday performance Performance Profile Road Running Track Workouts Race Day Walking Everyday Wear Fit & Feel The Lightweight Cap features an updated one-size-fits-most design with an adjustable buckle closure for a personalized fit. Lightweight materials and breathable ventilation keep you cool and comfortable from your first mile to your last. Sustainability Made with 100% recycled polyester in the main fabric and a recycled sweatband , helping reduce environmental impact while delivering lightweight, high-performance comfort. Materials & Construction Main fabric: 100% recycled polyester Sweatband: 60% recycled polyamide / 27% recycled polyester / 13% elastane Perforated side panels High-performance moisture-wicking sweatband Adjustable branded buckle closure Reflective On logo Curved brim Specs Best For: Running, Track Workouts, Everyday Training Fit: One Size Fits Most (21.7–23.6 in head circumference) Weight: 2.0 oz (58 g) Closure: Adjustable buckle