FAQ

Frequently asked questions

Will these help with sore, tired feet?

That's exactly what they're designed for — 9 targeted acupressure nodes plus structured arch support cushion every step. Many customers tell us their feet feel noticeably less tired after long days on their feet.

What is 4D acupressure technology?

9 oversized pressure nodes mapped to traditional acupressure zones, combined with ergonomic arch support, deep heel cupping and premium EVA foam.

What does it feel like to wear MustWing?

Immediate cushioned support with a gentle massage effect. The nodes may feel firm at first — within 2–3 days your feet adapt and the comfort becomes noticeable.

How long does shipping take?

US orders ship within 1–2 business days. Standard delivery typically takes 8–15 business days. You'll receive a tracking email as soon as your order ships.

What sizes do you offer?

US 5–12.5 (EU 35–46) across six size ranges. The trimmable design lets you fine-tune the fit for any shoe — sneakers, boots, work and dress shoes.

What if they don't work for me?

Every order is covered by our 30-day money-back guarantee. If you're not happy, contact us at sales@mustwing.com and we'll refund you — no questions asked. See our refund policy.

How do I reach you?

Email sales@mustwing.com or use our contact page — we reply within 24 hours.