Frequently Asked Questions

CONCEPT3 is dedicated to creating innovative solutions that make everyday life easier — focusing on body optimization, comfort, and long-term transformation.

Our operations are global. We work with fulfillment centers in several regions to ensure the fastest and most efficient delivery possible.

Yes — all CONCEPT3 products are tested for comfort and durability. For medical conditions, check with a healthcare provider first.

Orders are typically processed within 1-3 business days hours. Delivery times range from 5–12 business days depending on your region.

Yes, 24h Expedited Processing is available at checkout for faster handling.

You'll receive a tracking link via email once your order ships.

We ship worldwide. If your country isn’t listed, contact our support team.

We offer a 90-Day Money-Back Guarantee on eligible items. Contact us for assistance.

Yes! We’ll help you with a free size exchange if needed.

Yes — 12-month warranty on all items. Optional Lifetime Warranty includes free replacements for life.

Email us at support@concept-three.com — replies usually within 24h on business days.

If something looks off, we’ll investigate or send a replacement right away.

It’s our signature posture corrector with 2 unbendable rods that physically prevent slouching — a real posture trainer, not just a reminder.

RodPosture uses its unique dual-rod system to physically correct your posture — not just remind you.

Yes — it’s padded, breathable, and adjustable to avoid pinching or discomfort.

Use your waist size, height, and weight for the most accurate fit—our posture correctors are designed with adjustable straps to fit your body just right. You can find our full size chart above for quick reference.

Still unsure?
Just send us your height, weight, and waist size, and we’ll personally recommend the best size for you—plus, we offer free size replacements for peace of mind.

Need a faster answer?
Ask our live chat team for instant help—we’re here for you!

Absolutely — it’s slim and discreet enough for daily wear under fitted shirts.

No — it helps activate your muscles and build long-term posture memory.

You can, but it’s intended for daytime use while you’re active.