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£2.50
Reward
To avoid any issues with receiving your earnings, please ensure you follow the 'How to claim' section on this page.
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Payout Time
2 days
Tracking Time
1 - 3 Hours
Get your FREE pair of boxers with ON THAT ASS
Choose your first pair of FREE boxers from ON THAT ASS, with a choice of 10+ unique and eye-catching print designs or colourful without prints. Pick top-quality boxers that suit you!
How to claim
My Progress
Terms & Conditions
How to Claim
Get paid in as little as 2 days
Step 1
Click on the button to head to ON THAT ASS
Step 2
Sign up to get your first pair of boxers completely free.
Get
£2.50
Reward
My Progress
Keep track of your progress and earnings
You have yet to click on this offer, click "Get Offer" to begin
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Not what you expected?
Your progress may take up to 3 hours to appear on this page. If you don't see any updates after that, please submit a missing transaction ticket, and our support team will be happy to assist you.
Tracking Time
Payout Time
2 days
Tracking Time
1 - 3 Hours
Terms & Conditions
To get your reward, you must ensure the following terms and conditions are met otherwise we will not be paid, which means we cannot pay you.
You must be a new member of ON THAT ASS.
You must use your correct details including name and delivery address.
You must order and receive your free pair of boxers for this offer to convert.
Members can cancel after their first pair of boxers is received. After your trial you will be charged £11.99 (with free delivery) per month, unless cancelled. Notice Period - After your trial period, On That Ass apply a month's notice. If you cancel before the 20th of the month, there will still be one final payment and delivery.
Top Tips
Read the instructions and T&Cs fully before starting an offer.
Remember, each offer can only be completed once per user.
Follow the simples steps provided to ensure you complete the offer fully.
Turn off any adblockers, VPNs or iCloud Private Relay on your device, as they may block the tracking needed to confirm your participation.
When starting an offer, be sure to use the provided link in the same browser to visit the advertiser. If you don’t, the offer won’t be tracked, and we won’t be able to add the reward to your balance.
Once starting an offer, make sure to complete it fully before exiting the site. This ensures it tracks correctly.
Rewards can vary day to day, you will receive the reward amount that was available when the offer was completed.
Any problems, check our FAQ's page or talk to a real human by leaving a ticket.
More about On That Ass
Get Free Underwear with ON THAT ASS via Custard
Looking for high-quality, stylish underwear delivered to your door—and completely free to try? With ON THAT ASS, you can claim a free trial pair of underwear with zero commitment. And when you sign up through Custard, you’ll earn cashback rewards, turning this bold freebie into a smart way to shop and save.
Perfect for those who love comfort, style, and cashback offers in the UK, this is an easy win.
What is ON THAT ASS?
ON THAT ASS is a subscription-based underwear brand offering premium-quality underwear for men and women. Known for its standout monthly designs and superb comfort, the brand lets new members claim their first pair absolutely free—with no obligation to continue.
Once you receive your trial, you can cancel at any time or continue to receive a fresh, uniquely designed pair each month.
Key Features
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🩳 Free Trial Pair – Your first pair is completely free (no shipping charge).
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👕 Unique Monthly Designs – New, limited-edition designs delivered monthly.
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✅ Cancel Anytime – No commitment or cancellation fees.
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💬 Excellent Quality – Stretchy, breathable material designed for everyday wear.
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📦 Discreet Packaging – Delivered direct to your door in simple packaging.
How to Claim via Custard
Claim your free underwear and unlock rewards in a few easy steps:
-
Create a Free Custard Account
Sign up to access cashback rewards and exclusive UK offers. -
Find ON THAT ASS on Custard
Use the search to locate the offer and click through to the ON THAT ASS website. -
Claim Your Free Pair
Choose your size, complete your trial sign-up, and get your free pair sent out—no payment required. -
Earn Cashback from Custard
Once your trial is confirmed, Custard rewards you with cashback—even though the underwear was free!
Why Use Custard for ON THAT ASS?
When you sign up via Custard, you turn a free trial into a cashback win:
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💷 Free Cashback Site – There’s no cost to you, just added value.
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🎁 Cashback Rewards – Earn extra perks just for claiming your free pair.
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🛍️ Get Paid to Shop – One of the best ways to earn rewards online with no spend required.
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🔍 Is Cashback Legit UK? – Yes—Custard is a trusted UK cashback site helping thousands get rewarded every day.
Who Should Try ON THAT ASS?
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✅ Shoppers Looking for Freebies – Get stylish underwear with zero cost.
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✅ Students & Savers – A no-spend way to refresh your wardrobe and earn a reward.
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✅ Fashion Fans – Love bold designs and comfort? You’ll enjoy the monthly surprise.
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✅ Anyone Who Likes a Good Deal – Free product + cashback = win-win.
Grab Your Free Pair and Get Rewarded
Stylish, comfortable underwear for free—and you get paid for it? That’s exactly what you get with ON THAT ASS via Custard. No risks, no shipping charges, no nonsense—just real rewards and a standout pair of pants delivered to your door.
🎯 Claim your free pair of ON THAT ASS underwear today through Custard and enjoy comfort with cashback!
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