---
title: "Theory Promo Codes"
description: "Promo Codes at Theory. Check for offers and shopping options on Refermate."
canonical_url: "https://staging.refermate.com/store/theory/promo-codes"
md_url: "https://staging.refermate.com/store/theory/promo-codes"
last_updated: "2026-10-09T17:57:58.841Z"
---
# Theory Promo Codes - 15% Off

- URL: https://staging.refermate.com/store/theory/promo-codes
- Page: Promo Codes
- Store: Theory
- Featured current offer: 15% Off
- Current offers: 9 offers
- Store website: https://www.theory.com
- Last refreshed: Friday, October 9, 2026

## Current Offers

### 1. $75 Off
Type: Coupon code
Code: `TNTEAUG-GKPL-M377-PF`
Description: $75 Off $350+ purchase. Offer valid for 30 days, one-time use only, and applied when the code is entered at checkout. Valid online at theory.com in the US only. Excludes Theory Outlet, sale merchandise, gift cards, Common Projects products.

### 2. 20% Off
Type: Coupon code
Code: `EXTRA20`
Description: 20% Off End of Season Sale

### 3. 15% Off
Type: Coupon code
Code: `SMSW-FEY5-ADZO-WQ`
Description: 15% Off Your Order

### 4. 15% Off
Type: Coupon code
Code: `WELCOME-67A6-35UD-WZ`
Description: 15% Off With Code

### 5. $75 Off
Type: Coupon code
Code: `TNTE-25O3-SE33-KI`
Description: $75 Off $350+. Online only at theory.com in the US. Valid for one time use on full priced products only. Excludes Sale Merchandise, gift cards, and Common Projects products. Offer valid for 30 days.

### 6. 15% Off
Type: Coupon code
Code: `APPX15`
Description: Mobile App Only

### 7. 15% Off
Type: Coupon code
Code: `WELCOME-AH9Z-IIM5-E6`

### 8. Coupon Code
Type: Coupon code
Code: `TNTEFEB-QH4E-NK29-DZ`
Description: TNTEFEB-QH4E-NK29-DZ

### 9. Coupon Code
Type: Coupon code
Code: `TNTEMAR-HIWW-PEOV-I7`
Description: TNTEMAR-HIWW-PEOV-I7

## About Theory

Theory is a contemporary fashion brand offering sophisticated, minimalist wardrobe essentials, precision tailoring, and workwear for men and women in the United States.

## Frequently Asked Questions

### 1. How many Theory promo codes are available right now?
Theory currently has 9 current offers listed. Availability and terms can change, so check the offer details before checkout.

### 2. What is a current featured offer at Theory?
One current featured Theory offer is "15% Off". Availability and terms can change, so review the offer details before checkout.

### 3. How do I use a promo code at Theory?
When a code is listed, copy it from this page, add your items to your Theory cart, and paste the code in the promo code field at checkout. Check the offer terms to confirm the discount applies.

### 4. When was this Theory promo codes page updated?
Refermate updates this page when its Theory offer or store data changes. Check the current offer details before shopping.

## Explore More

- Site map: https://staging.refermate.com/sitemap.md
- Store sitemap: https://staging.refermate.com/stores/sitemap.md
- Store directory: https://staging.refermate.com/stores