Stay cool, comfortable and focused on every run with the ASICS Core Running Singlet—a lightweight, breathable running vest designed for everyday training and warm-weather performance.
Built for runners who want simplicity without sacrificing performance, this essential running top delivers moisture-wicking comfort, freedom of movement and reliable breathability—ideal for everything from easy miles to race day efforts.
Key Features
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Lightweight & Breathable Fabric
Designed to keep you cool in warmer conditions, helping regulate temperature during training runs and races. -
Quick-Drying & Moisture-Wicking
Sweat-wicking fabric draws moisture away from the skin to keep you dry and comfortable from start to finish. -
Flat Seam Construction
Helps reduce chafing and irritation, making it ideal for longer runs and high-mileage training. -
Freedom of Movement
Sleeveless design and lightweight feel allow for unrestricted movement on every stride. -
Reflective Details
Improves visibility in low-light conditions, helping keep you seen on early morning or evening runs. -
Dropped Back Hem (Select Styles)
Provides extra coverage and comfort while running.
Sustainable Design
Made with at least 50% recycled materials, helping to reduce waste and lower environmental impact while maintaining performance.
Fabric Composition
- Main fabric: 100% recycled polyester
Why Runners Love It
The ASICS Core Singlet is a go-to running vest for everyday training, offering a balance of comfort, breathability and value. Its minimalist design makes it perfect for layering or wearing solo during warmer runs.
Perfect For
- Road running
- Gym sessions
- Summer training
- Race day
- Layering under jackets or mid-layers
Payment & Security
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Free socks!
Purchase any full price shoes and receive a free pair of Running Bear socks. We'll match the size to your new shoes!


