Boundless Backless Brief L/XL - Black1 / 5

Boundless Backless Brief L/XL - Black

Boundless
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$47.99
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Curated by Alexander Institute since 1997.
Discreet packaging
Data never sold
AASECT-reviewed

The story

The Boundless Backless Brief is a harness styled as a pair of backless briefs — looks like lingerie from the front, with the entire back open for the dildo position. L/XL sizing. The integrated O-ring sits where a standard front-mount harness would.

The fabric construction is stretchy enough to fit a range of body shapes within the size range. Useful for users wanting strap-on play with a softer, more lingerie-style aesthetic rather than tactical harness gear.

Fabric body with elastic, metal O-ring. Hand-wash with mild soap.

Good for: partnered play with lingerie-style aesthetic, users whose previous harness felt too utilitarian, photography or scene work.

OUR EDITORIAL STANDARD

Body-safe materials. Brands we trust.

Complete the experience.

Questions before you buy?

Will this arrive in discreet packaging?
Yes — all orders ship in plain, unmarked boxes with no product names and no brand logos on the outside. We ship discreetly on every order, automatically.
What's your return policy?
Sex toys can't be returned once opened — that's an industry-standard hygiene rule, not specific to us. For defective or damaged items: we'll replace or refund. Email us and we'll handle it.
Is this product body-safe?
We carry only products that meet our editorial standard: body-safe materials, no phthalates, no BPA, no latex in products marketed for internal use. Our board sets the bar; this product meets it.
How do I clean it?
For non-motorized toys: warm water and mild soap, or a dedicated toy cleaner. For motorized or electronic toys: wipe with a damp cloth and toy cleaner — don't submerge unless the product is rated waterproof. Waterproof rating is noted in the specs section when applicable.
Is this rechargeable?
Check the specs section on this page for charging details. Most modern vibrators and massagers include a USB-C or magnetic charger. Battery-powered products are noted clearly in the Materials & specs accordion above.
Can I order anonymously?
Yes — guest checkout is available, no account required. We ship in plain packages with no external branding. The charge on your card statement appears as "Alexander Institute" — the parent company that owns Loving Sex, nothing that identifies the product type.