Mara S.
and 45.6k+ others across the UK love Isaberry
Bastion™ – 9-Layer Leak-Proof Washable Incontinence Boxer Briefs for Men + 50% OFF
Free shipping with Royal Mail
30-day money-back guarantee
45,600+ happy customers
Only 8 items left for this price
Finally — Underwear That Lets You Forget You Ever Had a Problem
You know that feeling — the quick mental check before every meeting, every car ride, every time you stand up in public. The spare clothes in the bag. The quiet planning that never stops. Most incontinence products ask you to trade one problem for another — the leak for the bulk, the wetness for the crinkle, the worry for the embarrassment of wearing something that doesn't feel like you. Bastion™ was built on a different idea entirely.
A 9-layer MultiVault absorption system — engineered to catch, absorb, and lock away up to 10 fl oz of fluid — hidden inside boxer briefs that look, fit, and feel exactly like the underwear you've always worn. No bulk. No bunching. No one knows but you. Just pull them on in the morning, and go live your day — the way you used to, before any of this started.
Why 10,000+ Customers Love Bastion™
✔ STOP CARRYING BACKUP CLOTHES EVERYWHERE YOU GO - Bastion's™ 9-layer MultiVault system absorbs and locks in up to 10.14 fl oz (300 mL) — that's more than a full can of soda — so even on your heaviest days, you're covered from morning to night without a single change.
✔ WEAR REAL UNDERWEAR AGAIN — NOT A MEDICAL PRODUCT - OEKO-TEX® certified bamboo fabric sits soft against your skin while the slim-profile design looks and fits like your regular boxer briefs. No bulk, no crinkle, no visible lines under clothes — just comfortable underwear that happens to protect you.
✔ NEVER WORRY ABOUT LEAKS FROM THE SIDES AGAIN - Built-in Side-Vault Seals create a second barrier along each inner thigh, catching anything the center zone doesn't — so whether you're sitting, walking, or shifting in your sleep, fluid stays locked inside instead of finding its way out the edges.
✔ STOP SPENDING $100+ A MONTH ON DISPOSABLE PADS - Each pair of Bastion™ boxer briefs is machine-washable and built to last through hundreds of wash cycles. Plus, the removable Guard Pocket lets you add or remove an extra washable pad for heavier days — so one pair adapts to your needs instead of you buying different products for different situations.
FAQ
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How do I know which size to order? Measure your hips at their widest point and use our sizing chart below. If you're between sizes, we recommend going one size up for the most comfortable fit. Bastion™ is available in sizes S through 8XL.
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How do I wash them? Machine wash cold with mild detergent, then hang dry or tumble dry on low heat. Do not use bleach or fabric softener, as these can reduce absorbency. Most customers find they last well over a year with regular washing.
Specifications
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Absorption Capacity: Up to 300 mL (10.14 fl oz) — 9-layer MultiVault system
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Material: OEKO-TEX® certified bamboo fiber — breathable, hypoallergenic, odor-resistant
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Sizes Available: S, M, L, XL, 2XL, 3XL, 4XL, 5XL, 6XL, 7XL, 8XL
- Quantity: 4 (pcs)
Free shipping on all orders - All orders are shipped free of charge.
24/7 customer service - Our customer support team is available daily to answer all your questions.
30-day money-back guarantee - If your experience is not positive for any reason, we will do everything we can to ensure you are 100% satisfied with your purchase.
