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Choose a current Theory offer from the coupon page, copy the code exactly, and visit the Theory website. Add eligible items to your bag, proceed to checkout, and enter the code in the promotional-code field before completing payment. Apply the discount first and check that the order total changes. Some offers require a minimum spend, apply only to selected products, or exclude sale merchandise.

A reliable Theory coupon should come from a reputable offer page and clearly state its terms, expiration date, and exclusions. After entering the code at checkout, confirm that the discount appears before placing your order. If it fails, check spelling, minimum-purchase requirements, product eligibility, and whether another promotion is already applied. Theory may also limit codes to one use per customer or account.

Yes, Theory promotional codes and sale offers can have fixed expiration dates or end earlier if the promotion is withdrawn. Always review the listed terms and test the code before payment. In most cases, only one promotional code can be applied to an order, and codes generally cannot be combined with other discounts. Clearance items, gift cards, taxes, shipping, and selected collections may be excluded.

Theory typically accepts major credit and debit cards and may offer additional checkout methods depending on your country, device, and order value. Shipping choices, costs, and delivery estimates are shown during checkout and can vary by destination and stock location. A coupon usually reduces eligible merchandise rather than shipping charges. Check the final order summary for taxes, delivery fees, and the exact discount before confirming.

Coupon purchases are generally subject to Theory’s standard return policy, but the item must meet the stated conditions, such as being unworn, unused, and returned with original tags and packaging. Certain final-sale, personalized, or promotional items may be non-returnable. If a discounted order is partially returned, the refunded amount can reflect the promotion allocation. Review the current return instructions and deadline before sending anything back.