Race Light. Move Free.
A 4-inch racing short built for speed-focused runners who need lightweight fueling without bulk.
Fuel Without the Weight
Narrow racing waist pouch delivers stable storage while maintaining a minimalist profile.
Features
Racing waist pouch construction
Secure storage for gels and salt tabs
Reduced fabric volume compared to wide storage belts
Anti-bounce stability during fast efforts
Built for race-day efficiency.
Phone Protection Built In
Rear water-resistant phone compartment keeps your device secure and sweat-protected.
Features
Fits up to 6.9” large-screen phone
Sweat-resistant lining
Pull-tab access for easy retrieval
Stable placement to minimize vertical movement
Lightweight Performance Fabric
Engineered stretch fabric reduces restriction during high-cadence efforts.
Features
Ultralight breathable construction
Approx. 90g (Men M)
4-way stretch mobility
Split hem design for stride extension
Integrated Comfort Support
Built-in triangular liner provides secure support without unnecessary compression.
Features
Integrated comfort liner
Seam-reduced construction
Soft skin-contact finish
Race-Ready Details
Dual-direction drawcord (internal or external routing)
Flat single-knot adjustment system
Reflective details for low-light visibility
Rear pull-tab for phone access
Machine wash cold (30° max)
Do not bleach
Iron low heat on the reverse side
No dry-cleaning
Do not tumble Dry
📦 RETURNS (LOCAL ONLY)
Not the right fit? We don’t do exchanges online, but you can return your item for an online store credit refund* (except nutrition and consumables).
For international returns, please refer to our Shipping & Returns page for more info.
📍 LOCAL SHIPPING - EXPRESS
Only applies to orders placed before 8:30am (GMT+8) from Monday to Friday. Orders placed over the weekend or on public holidays will be processed on the next working day.
Orders are fulfilled by DHL Express and are delivered by next 1-2 business days.
📍 LOCAL SHIPPING - STANDARD
Free shipping for orders above S$100. Orders placed before 8:30am (GMT+8) from Monday to Friday are shipped on the same day*.
Orders are fulfilled by SPX Express and are delivered within 3-5 days.
*Same-day dispatch is not guaranteed during sale periods or high order volumes, but we’ll always do our best to get your order out quickly.
🌍 INTERNATIONAL SHIPPING (FedEx / DHL)
International rates apply. Orders are fulfilled and delivered in 5-10 days.
📝 INTERNATIONAL CUSTOM AND/OR DUTIES
Customs taxes and/or import duties are imposed by the destination country and is not included in the checkout/shipping price. Actual amount varies according to local custom's terms & conditions.
Please contact your local customs office to find out more information on the charges before you place an order.
Running Lab is not liable for any additional customs charges, duties or taxes arising from your order or delivery.
Please refer to our Shipping & Returns page for more info.
Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
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