Discover the latest voucher codes and exclusive trial offers for premium monthly boxer shorts and socks
| Total active offers | 15 |
| Coupon codes | 15 |
| Deals (no code needed) | 0 |
| Best discount | 35% OFF |
| Last verified | October 5, 2026 |
Choose your preferred ON THAT ASS coupon code or trial deal from our list and click 'Get Code' or 'Get Deal'.
Copy the promotional code and head over to onthatass.com to select your preferred collection (Originals, One, or Socks) and size.
Paste your voucher code into the promo box during the checkout or registration process to activate your discount or free trial.
ON THAT ASS is a groundbreaking fashion subscription brand that has revolutionized how people refresh their everyday essentials. Specializing in high-quality underwear and socks, the company delivers brand-new, uniquely designed boxer shorts straight to your mailbox every month. By combining premium fabrics, exceptional fit, and imaginative prints created by in-house artists, ON THAT ASS turns an essential wardrobe staple into an exciting monthly surprise.
Whether you prefer vibrant, standout graphics or understated classic minimalism, ON THAT ASS offers distinct membership tiers tailored to your style. The Men Originals line features bold, story-driven patterns that change with every delivery, while the Men One collection caters to those who appreciate refined, solid-color designs. The brand also offers dedicated collections for boys (Junior) and matching socks (Socks subscription), ensuring premium comfort and top-tier materials for all ages. With seamless elastic waistbands and breathable stretch fabrics, every pair delivers long-lasting comfort throughout your daily routine.
One of the standout benefits of ON THAT ASS is its legendary introductory promotion: new subscribers can claim their very first designer boxer short completely free. This risk-free trial allows you to test the fit, feel the premium cotton-elastane fabric, and inspect the craftmanship firsthand before any billing cycle begins. Beyond the initial welcome gift, active members gain access to exclusive seasonal drops, limited-edition collaborations, and referral rewards that reduce your overall subscription costs over time.
To get the best value from your ON THAT ASS membership, keep an eye out for promotional coupon codes, bundle upgrade vouchers, and referral discounts. Taking advantage of multi-product add-ons—such as bundling matching socks with your boxer subscription—often yields better per-item pricing than standalone subscriptions. Furthermore, referring friends through your personal member link earns you credit toward future deliveries or special gift merchandise.
Our dedicated coupon team constantly tracks, verifies, and refreshes all available ON THAT ASS discount codes and trial vouchers. Every deal listed on our page is hand-tested to ensure you never miss out on free trials, waived delivery charges, or promotional membership savings.
Enter your code in the designated voucher box during the subscription sign-up process on onthatass.com. Once submitted, your discount or trial offer will be immediately reflected in your order summary.
Yes, our team manually verifies every ON THAT ASS promo code and promotional campaign to guarantee active functionality. We regularly test introductory offers, referral incentives, and special promotional links.
New promotional campaigns and introductory vouchers are added regularly throughout the year. While their iconic free trial offer remains a constant favorite, seasonal discount codes and bonus sock deals appear periodically.
No, ON THAT ASS only permits one promo code or trial offer per registration. You cannot combine multiple discount codes, but you can take advantage of ongoing member perks alongside referral credits.
Yes, the introductory boxer short is completely free with no upfront product charge during the trial offer. If you decide the subscription is not for you, you can cancel your membership online anytime before the next billing cutoff.
Check the spelling, check for account eligibility restrictions, and ensure the code hasn't expired. Most ON THAT ASS voucher codes are specifically tailored for new account registrations or select subscription categories.