The ultimate running basic
The single color makes it wearable enough to pair well with whatever you've got in your runner's wardrobe. It's understated so your personal best makes an even bigger statement.
Core-T Jay
Core-T Jay
Regular price
$45.00
Regular price
$45.00
Sale price
$60.00
Unit price
per
Go back to basics with this lightweight and versatile tee. Designed for the everyday runner’s wardrobe.
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Core-T Jay
Regular price
$45.00
Regular price
$45.00
Sale price
$60.00
Unit price
per
SIZE & FIT
This style fits true to size.
If you prefer a more relaxed fit, we recommend choosing one size up.
SHIPPING & RETURNS
Free shipping on all orders over $50
Free returns within 30 days
Limited editions and last-season items can only be refunded, but are not exchangeable due to limited stock
CARE INSTRUCTIONS
Cold machine wash
Do not bleach
Do not dry clean
Do not iron
May be tumble dried cold
MATERIALS & TRANSPARENCY
Materials
Main Fabric: 92% Recycled Polyester, 8% Elastane
Country of origin
Vietnam
FIT
Regular
Our apparel comes in different fits, allowing you to find the perfect one for you.
Regular: Classic, comfortable and never clingy, for running, sports or your daily routine.
Relaxed: Casual comfort, slightly oversized – can be worn all day for various activities.
Close: Fits close to the body for distraction-free high-performance workouts.
CLIMATE
Any climate
Cold weather: Products engineered to keep you warm, cozy and comfortable, no matter what’s going on outside. Come wind or rain, you'll be ready for any adventure.
Any climate: Gear that can be worn in any weather. Wear them alone or layer them up, these products are usually both sweat-wicking and thermo-regulating. Just right.
Warm weather: Sweat-wicking, lightweight products that will help keep you cool in the heat.
Key features
- Lightweight fabrics that won't slow you down
- Simple design that's easy to style
- Made in a single color for wardrobe versatility
- Works year-round – so you can wear it in any weather
- A classic staple for your running kit
Lightweight
It's timeless, which means you can hold onto it for even longer. Made with recycled polyester, this lightweight fabric won't slow you down even an inch.
Here for the long run
Engineered for all seasons, this tee keeps you comfortable whether it’s cold, warm, or anything in between. Wear it year-round.
FAQ
IS THIS PAIR AUTHENTIC?
Yes. We have established a deep cooperation with ON, and every pair is produced by the original factory with strict quality control.
IS SHOPPING ON THIS WEBSITE SAFE?
Yes, shopping on our website is safe. We use Shopify Payments for secure checkout, and your payment is processed through Shopify’s trusted system. After you place your order, we will provide tracking and support until your package is delivered.
I DON’T KNOW WHICH SIZE TO CHOOSE. WHAT SHOULD I DO?
You can contact our customer service through the WhatsApp button at the bottom right of the website. Our team will help you choose the best size.
IS THE SOLE SOFT OR FIRM?
The sole has a cushioned and supportive feel. It is soft enough for comfort but stable enough for daily walking and active use.
HOW CAN I TRACK MY ORDER?
Once your order has been shipped, you will receive a confirmation email with your tracking number. You can use the tracking information to check the latest delivery updates for your package.
CAN I RETURN OR EXCHANGE MY ORDER?
Yes. If you need to return or exchange your order, please contact our customer service team before sending the item back. The shoes must be unworn, unused, and returned in their original packaging.
HOW LONG DOES SHIPPING TAKE?
Orders are usually processed within 1–3 business days. Delivery time may vary depending on your location, and tracking information will be provided after shipment.
STILL HAVE QUESTIONS?
You can contact our customer service team.