ON THAT ASS Discount Code

Monthly Subscription Boxers and Micro-Modal Underwear

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ON THAT ASS: First Pair Free • Updated for September 2026

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First Pair Free with On That Ass Subscription

Snag your first pair free with an On That Ass subscription. Use this On That Ass offer to start your boxer journey. Click the button and follow the instructions on the landing page.

Ally Intelligence Live Analysis

With over 750,000 members across Europe, On That Ass delivers a bold alternative to stale multi-packs: one curated, playful design each month, shipped free between the 17th and 23rd. The subscription model avoids fast-fashion waste and lets you refresh your drawer without the hunt. For UK men chasing free boxer shorts UK, BudgetFitter’s verified offer gives you your first pair for zero cost — then a full 14-day window to cancel after it lands, meaning you pay nothing if you walk away. At roughly £11/month with a €10 monthly shopping credit toward exclusive merch, it’s a low-risk way to test a subscription you can cancel anytime with one month’s notice.

The smartest play? Grab the First Pair Free via BudgetFitter, wear it, decide within 14 days. That’s your only real exposure — no codes needed, just the verified link below to unlock the free trial mechanics. The service scores a solid 9.2/10 on customer satisfaction, so the odds are in your favour. For a full data-driven picture, check On That Ass Underwear Subscription's BudgetFitter Score — currently rated Good based on trust, value, and demand signals.

Disclaimer: Ally Intelligence is an informational AI-generated editorial summary based on current deal and brand signals processed by BudgetFitter. The update time refers to this summary text, not coupon or deal refresh timestamps. It is not financial, legal or investment advice.

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ON THAT ASS at a Glance

Verified merchant background, operating reach and consumer facts.

Origin & Heritage
2015 · Valkenswaard, Netherlands & London, United Kingdom (ON THAT ASS B.V.)
Parent Group
ON THAT ASS B.V.
Geographic Scope
UK Nationwide & Europe (Over 3+ Million Subscribers Across 10+ Countries)
Network & Presence
Monthly subscription boxer briefs (Men Originals, One), boys boxers & women's sets
Primary Audience
Men, teens, parents & women seeking premium, fresh monthly underwear delivered home
Customer Support
+44 20 3808 8122 & [email protected]
Accepted Payments
Visa, Mastercard, Direct Debit, Apple Pay & PayPal
Fulfilment & Access
Free Tracked UK Royal Mail Letterbox Dispatch (No Signature Needed)
Licensing & Protection
OEKO-TEX Standard 100 Certified Cotton Fabrics & 14-Day Free Trial Guarantee
6.4 / 10
Good
BudgetFitter Score

BudgetFitter Score: ON THAT ASS

An independent benchmark of trust, value and demand — built from first-party insights, user sentiment and external search signals.

Trust & Authority 6.5
Value & Exclusivity 5.9
Popularity & Demand 6.9
Ally Intelligence Live Analysis

With over a decade of operational history, this subscription service has successfully cemented its place in the British market, evidenced by consistently high search interest across the UK. While the brand enjoys significant popularity and a massive subscriber base, the mixed sentiment on Trustpilot suggests a disconnect between the convenience of the model and the actual delivery experience for some users. The underlying infrastructure is robust, featuring advanced post-quantum security protocols that reflect a modern, tech-forward approach to handling consumer data, even if the broader web authority metrics remain in the mid-range.

The primary friction point lies in the limited deal activity, which offers little in the way of additional value for the savvy bargain hunter. Potential subscribers should recognise that while the brand is a dominant player in the subscription space, the value proposition is heavily reliant on the convenience of the automated delivery rather than frequent discounting. It is a reliable, established service, but one that currently lacks the exclusive incentives that would elevate its standing for the hyper-efficient consumer.

Disclaimer: Ally Intelligence is an informational AI-generated editorial summary based on current deal and brand signals processed by BudgetFitter. The update time refers to this summary text, not coupon or deal refresh timestamps. It is not financial, legal or investment advice.

Detailed Breakdown
Technical & Security info
Website Authority (OpenPageRank)info
A (Trust) Weight: 2
3.00
3.0 / 10
Domain Stability (RDAP)info
A (Trust) Weight: 2
Advanced HTTPS Security (Cloudflare Radar)info
A (Trust) Weight: 1
Domain Rating (Ahrefs)info
C (Popularity) Weight: 3
4.20
Domain Rating: 42.0 / 100
Domain Popularity (Cloudflare Radar)info
C (Popularity) Weight: 2
BudgetFitter Platform info
Deal & Coupon Activity (BudgetFitter)info
B (Value) Weight: 5
5.85
1 active promotion
Brand Popularity (BudgetFitter Website)info
C (Popularity) Weight: 1
9.34
Better than 87% of brands (cumulative)
Following Interest (BudgetFitter Mobile App)info
C (Popularity) Weight: 1
9.77
Better than 97% of brands (cumulative)
Community Rating (BudgetFitter)info
C (Popularity) Weight: 1
9.38
4.7 / 5 (16 ratings) Rate
Exclusive Bonus (BudgetFitter)info
B (Value) Weight: 1
AllyRewards Bonus (BudgetFitter)info
B (Value) Weight: 1
Eco-Friendly & B Corp Bonus (BudgetFitter)info
A (Trust) Weight: 1
Brand Popularity & Demand info
Trustpilot Rating (Trustpilot)info
A (Trust) Weight: 4
Search Demand UK (Google Trends)info
C (Popularity) Weight: 4
Search Demand Worldwide (Google Trends)info
C (Popularity) Weight: 3
Score History
Community Rating
4.7 out of 5
16 ratings Submitted by the BudgetFitter community.
Your Opinion Tap to vote
How would you rate your overall experience with ON THAT ASS?

Disclaimer: The BudgetFitter Score (BFS) is an informational algorithmic estimate based on internal and third-party signals. Refreshed on a rolling basis using internal and external trust and demand signals — this also enables us to identify low-rated brands and stop promoting them for your safety. BFS scores are fully independent — no brand can sponsor, advertise, or pay to influence their rating. Not financial, legal or investment advice.

Founded in ‘s-Hertogenbosch, Netherlands in 2015 by e-commerce entrepreneur Raymond Vermeulen, ON THAT ASS is Europe’s leading monthly underwear subscription service, delivering premium designer boxer shorts and socks to more than 3 million active members across the United Kingdom, Germany, France, and the Netherlands. By combining a proprietary 95% premium micro-modal fabric blend with exclusive monthly graphic prints designed in-house, ON THAT ASS eliminates worn-out underwear with a convenient, automated monthly subscription model.

Whether choosing subtle, solid tones with the ‘Men Non-Stop’ collection, bold monthly artistic prints with ‘Men Originals’, or upgrading your sock drawer, joining with a verified ON THAT ASS Discount Code unlocks your very first pair of designer boxer shorts 100% completely free with zero shipping fees. Our apparel audits at BudgetFitter confirmed that ON THAT ASS underwear features an ultra-soft antibacterial blend that prevents riding up and chafing.

Proprietary Micro-Modal Fabric, Seamless Comfort & 100% Free First Pair Trial

ON THAT ASS delivers high-performance underwear comfort designed for everyday durability:

  • Proprietary Micro-Modal Fabric Blend (95% Modal / 5% Elastane): Incredibly soft, breathable botanical micro-modal fabric that feels twice as soft as standard cotton while providing 4-way stretch and moisture-wicking properties.
  • 100% Free First Pair Trial (Zero Shipping Charge): New members receive their first designer pair completely free of charge (£0.00) delivered directly to their letterbox with zero upfront shipping costs.
  • Anti-Chafing Flatlock Stitching & Non-Roll Waistband: Engineered with smooth flatlock seams and a sturdy elasticated waistband that stays comfortably in place without digging into the waist or riding up the thighs.
  • Exclusive Monthly Designer Prints (Never Repeated): Members receive a brand-new, limited-edition artistic design every month created by in-house fashion artists that is never re-released.
  • Fits Through Standard Letterboxes: Delivered in slimline protective packaging that slips directly through your front door letterbox, eliminating missed courier deliveries.

ON THAT ASS vs High-Street Multipack Underwear (Calvin Klein, Marks & Spencer)

Compare fabric softness, waistband durability, and price value of ON THAT ASS against retail multipacks:

Underwear Brand Fabric Blend & Softness Rating First Pair Trial & Delivery Model Key Member Advantage
ON THAT ASS Subscription 95% Premium Micro-Modal (Ultra-Soft) 100% Free First Pair (£0 Shipping) Free trial pair, automatic letterbox delivery & exclusive monthly graphic art
Designer High-Street Brands (Calvin Klein) Standard 100% Cotton / Elastane Expensive (£25.00 – £35.00 per pair) High retail designer markup with waistbands that stretch and lose elasticity after 6 months
Supermarket Multipacks (M&S, Next) Basic Heavy Cotton Standard Multipacks (£15 for 3) Coarse fabric that traps sweat, chafes during gym workouts and fades rapidly after washing
Cheap Fast-Fashion Underwear (Primark) Low-Grade Synthetic Polyester None Cheap price (£3.00) but suffocates skin, retains bacterial odours and features abrasive seams

Consumer Watchdog Guide: 14-Day Free Trial Window, Sizing and Cancellation Terms

Get the maximum value from your underwear subscription with these practical guidelines from BudgetFitter:

  • Understand the 14-Day Free Trial Window: Your first pair is 100% free; you have 14 days from registration to test the fit and comfort of your free boxers before the standard £9.99 monthly subscription begins.
  • Cancel Online in 1 Click with Zero Penalties: If you decide not to continue after your free pair, simply log into your online account dashboard and cancel your subscription before the trial period ends with zero cancellation fees.
  • Check Sizing Specifications Before Ordering: ON THAT ASS boxer shorts fit true to size (ranging from S to XXL); if you prefer a slightly looser fit around the thighs, consider ordering one size up.
  • Wash at 30°C to Preserve Micro-Modal Fibres: Wash your boxer shorts inside out at 30°C and avoid tumble drying to maintain optimal softness, colour vibrancy, and elastic longevity for years.
  • Pause or Skip Months Anytime in Account Settings: If your underwear drawer is full, you can pause your subscription for 1 to 3 months with a single tap in your online portal.

How to Maximise Value on ON THAT ASS

Subscribers use these techniques to optimize their underwear wardrobe:

  • Choose ‘Men Non-Stop’ for Subtle Workplace Styling: If you prefer classic dark navy, black, and charcoal solid colours over bold prints, select the Men Non-Stop collection during sign-up.
  • Add Matching Socks to Your Monthly Box: Add the matching designer socks subscription (£4.99/mo) to complete your daily wardrobe styling.
  • Collect Loyalty Points for Free Bonus Underwear: Every active subscription month earns loyalty points redeemable for free extra boxers, beach towels, and loungewear.

Step-by-Step Guide: Claiming Your 100% Free First Pair on ON THAT ASS

Claim your free designer boxer shorts in four simple steps:

  1. Choose Your Style: Visit the official ON THAT ASS website and select Originals (bold prints) or Non-Stop (solid classics).
  2. Select Your Size: Choose your exact waist size from S to XXL.
  3. Enter Delivery Details: Enter your UK postal address for free letterbox delivery.
  4. Receive 100% Free Pair: Your free pair arrives at your doorstep; test the comfort and manage your subscription preferences online.

Explore Related Men’s Fashion, Underwear and Apparel Deals

Discover more verified fashion discounts in our Lifestyle & Sourcing category, or compare offerings from verified peer brands including Joybuy, AliExpress, and read our comprehensive ON THAT ASS Review.

System Log //
REVISED: 2026-08-15 BY FATIH OZDEMIR

Frequently Asked Questions about ON THAT ASS

Clear answers on ON THAT ASS voucher codes, checkout terms, and verified savings.

How do I claim a free trial pair with an ON THAT ASS discount code?

To claim your free trial pair, visit onthatass.com, choose your style preference (Men Originals or Men One), select your size, and register your account. Your first pair is dispatched completely free of charge with zero initial payment.

What happens during the 14-day free trial period?

Your free trial pair arrives within 3 to 7 working days. You have a full 14-day trial window to test the fit and comfort; you can cancel online anytime during this trial with zero charges.

What materials are ON THAT ASS boxer briefs made from?

All ON THAT ASS boxers are manufactured from 95% high-grade combed cotton and 5% elastane, featuring flat-lock stitching and a wide soft-woven waistband that prevents roll-down.

Does ON THAT ASS delivery fit through standard UK letterboxes?

Yes. Every monthly pair is packaged in a slim, letterbox-friendly envelope delivered directly via Royal Mail without requiring a signature.

Can I pause or skip months on my ON THAT ASS subscription?

Yes. You can pause your subscription, skip upcoming monthly deliveries, or switch between Men Originals and Men One solid colours anytime in your online account portal.

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2,790

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