Frequently Asked Questions

Most posture braces force your back into position using rigid materials — which weakens your postural muscles over time and creates dependency. PostureLine uses a smart elastic reminder system that guides your muscles to engage and hold the correct position themselves. The result: your posture improves permanently, not just while you're wearing it.

Start with 30–60 minutes per day and gradually increase to 2–3 hours. We recommend wearing it during desk work, commuting, or cooking. Do not wear it during sleep or heavy exercise. Consistency over 3 weeks is what drives lasting results.

Yes. The slim, low-profile design sits flat underneath most shirts and jackets. The majority of our customers wear it to the office without anyone noticing.

Choose the same size you'd wear in a t-shirt. If you're between sizes, size down — the velcro straps allow for a wide range of adjustment.

XS — chest 28–32" (XS t-shirt)
S/M — chest 32–36" (S or M t-shirt)
M/L — chest 36–40" (M or L t-shirt)
L/XL — chest 40–44" (L or XL t-shirt)
XXL — chest 44–48" (XXL t-shirt)

StraightUp is primarily designed for upper back and shoulder posture correction. Many customers report that improving their upper posture also reduces lower back tension — because when your shoulders align correctly, your whole spine follows. For diagnosed lower back conditions, consult your physician before use.

80% polyester / 20% spandex with soft EVA padding at all contact points. Breathable, washable, and skin-friendly. Machine wash gentle at 30°C — air dry only.

• US Standard: 5–8 business days — FREE on orders over $35
• US Express: 2–3 business days — $9.99
• International: 10–14 business days — $4.99

Orders are processed within 1–2 business days. You'll receive a tracking email as soon as your order ships.

We process orders quickly — contact us within 2 hours of placing your order at support@straightup.com. After that, the order will have been dispatched and can't be modified.

Yes — we ship to most countries worldwide for $4.99. Delivery takes 10–14 business days. Customs duties may apply depending on your country — these are the buyer's responsibility.

We offer a 30-day no-questions-asked return policy. If you're not seeing or feeling a difference, email us at support@straightup.com within 30 days of delivery and we'll issue a full refund. No need to send the product back.

Email a photo to support@straightup.com and we'll send a replacement or full refund within 24 hours — no return required.

Most customers notice reduced shoulder and back tension within the first week. Visible posture improvement typically takes 2–3 weeks of consistent daily use. That's exactly why we offer a full 30-day guarantee.

We accept all major credit/debit cards (Visa, Mastercard, Amex), PayPal, Apple Pay, Google Pay, and Shop Pay. All payments are encrypted and processed securely through Shopify Payments.

Yes. We never store your card details. All transactions are processed through Shopify's PCI-compliant payment system using 256-bit SSL encryption — the same security standard used by banks.