The SpareParts Tomboi Nylon Briefs Harness Red/Black Size M flips the script on traditional strap-on harnesses with a sporty nylon brief and a firmly anchored O-ring. Built for assertive play when you want it, how you want it, this Tomboi Nylon Briefs Harness fuses bold red and black color blocking with a contoured athletic cut that stays put during vigorous use. The stretch nylon fabric moves with you, eliminates excess bulk, and puts control front and center.

• Built-in O-ring: Securely fits dildos with a flared base up to 1.75 inches in diameter, no separate parts needed.
• Stretch nylon construction: Breathable, four-way stretch fabric hugs your frame without restricting movement.
• Athletic waistband: Wide elastic waistband and leg openings stay in place, even during fast-paced action.
• Bold aesthetic: Red front panel with black sides and back delivers a provocative visual punch.
• Size M specific fit: Designed for waist sizes 32-38 inches (check size chart for detailed measurements).

Material	Nylon/spandex blend
O-ring internal diameter	1.75 inches (4.45 cm)
Waist fit	32-38 inches (81-97 cm) – Size M
Color	Red/Black
Care	Machine wash cold, air dry
Weight	4.2 oz (approx.)

The Tomboi Nylon Briefs Harness uses a non-replaceable stitched O-ring with an inner diameter of 1.75 inches. It works with any flared-base dildo or dong that has a shaft diameter at or slightly below this measurement. For the most secure grip, use toys with a pronounced base flange. Silicone, glass, metal, and ABS dildos all pair well. Avoid dildos without a flared base. The stretch fabric applies gentle pressure to keep toys in place without sliding. If you are using a heavily textured or extra-long dong, consider adding a drop of water-based lubricant to the O-ring rim for easier insertion.

The harness briefs are made from a soft nylon/spandex blend that wicks moisture and dries quickly. The O-ring is a durable plastic composite that won’t warp with use. To clean, machine wash cold with like colors on a gentle cycle. Tumble dry low or air dry. Do not bleach or iron. Frequent washing preserves the fabric’s stretch and color intensity.

• 1x SpareParts Tomboi Nylon Briefs Harness Red/Black Size M
• No dildo included, sold separately.

We tested the SpareParts Tomboi Nylon Briefs Harness in size M with three different dildos ranging from 1.5 to 1.75 inches. The O-ring held every toy without twisting, and the wide elastic waistband never rolled down during active use. Our team appreciated the lightweight feel and the bold red panel, which adds visual confidence. If you want a harness that doubles as eye-catching intimate apparel, this Tomboi Nylon Briefs Harness is an easy recommendation.

Q: Does this harness fit toys with a suction cup base?

Yes, as long as the base is flared and the shaft diameter does not exceed 1.75 inches. Suction cups may add thickness, so measure carefully.

Q: Can I use the Tomboi Nylon Briefs Harness with double-ended dildos?

Yes, provided one end has a flared base or a harness-compatible ring. The O-ring secures the shaft and allows for shared stimulation.

Q: Is the O-ring removable or replaceable?

No, the O-ring is stitched into the fabric for a low-profile, jingle-free design. The 1.75-inch size fits most average to larger dildos.

Q: What if I’m between sizes?

We recommend sizing up. The stretch nylon offers some flexibility, but a snug harness may shift less. Check the size chart for waist measurement guidance.