The On Women's Core 1/4 Zip Jacket is a versatile performance layer designed to keep runners comfortable through cool weather training and everyday adventures. Made with 100% recycled polyester, it delivers lightweight warmth while wicking away moisture and drying quickly as your pace changes. The quarter zip design allows for easy ventilation and adaptable layering, making it an ideal base layer or lightweight mid layer. Soft stretch fabric and set in sleeves provide unrestricted movement with a smooth next to skin feel that stays comfortable mile after mile. Reflective logo details add visibility in low light, making this jacket a dependable companion from early morning runs to evening workouts.