Featuring a 2.5-inch diameter and body-safe silicone, the Gender X Undercarriage creates customizable stimulation with multiple vibration patterns and intensity levels for inclusive pleasure.
Key Features:
Vibrates around penis base to intensify arousal and extend performance
Body-safe silicone construction flexes to fit different body shapes
Multiple vibration intensity levels and pulsation patterns for customization
2.5-inch diameter with lightweight, ergonomic design for comfortable wear
Water-resistant silicone outlasts stretchy rubber alternatives with superior durability
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Evolved Gender X UNDERCARRIAGE is a vibrating cock ring designed for inclusive pleasure with a 2.5-inch diameter. Constructed from body-safe silicone with multiple vibration intensity levels and pulsation patterns, it delivers customizable stimulation. The lightweight, ergonomic design suits anyone seeking adjustable base stimulation with discreet, gender-inclusive aesthetics and water-resistant construction.
The Gender X UNDERCARRIAGE vibrates around the base of the penis, delivering sensations that intensify arousal while potentially extending performance through gentle constriction. The silicone construction flexes to accommodate different body shapes, conforming naturally during use. Multiple vibration patterns allow you to shift between steady intensity and pulsing rhythms, creating variation within a single session.
Body-safe silicone provides durability and comfort that stretchy rubber alternatives cannot match. The non-porous surface resists bacterial buildup and maintains its integrity through repeated use and cleaning. Those interested in expanding their collection can browse our vibrating cock rings for additional options.
| Diameter | 2.5 inches |
| Material | Body-safe silicone |
| Power Source | USB rechargeable |
| Vibration Modes | Multiple intensity levels and pulsation patterns |
| Water Resistance | Water-resistant (splash-proof) |
| Package Contents | Vibrating cock ring, USB charging cable, user manual |
Pairing the Gender X UNDERCARRIAGE with a prostate massager creates layered internal and external stimulation that many find more intense than either product alone. For partnered play, the vibrations can be felt during penetration, adding sensation for both partners. Some people wear it during foreplay before penetration begins, using the vibrations to build arousal gradually. The water-resistant design allows use in the shower or bath for temperature play combined with vibration.
After each use, rinse the silicone surface under warm running water with mild soap to remove lubricant residue and body fluids. Ensure the USB charging port seal remains fully closed during washing to prevent water entry into electrical components. Dry it completely with a soft cloth before storing in a cool, dry location away from direct sunlight. Recharge the battery monthly even during storage periods to maintain optimal battery health.
Body-safe silicone forms the Gender X UNDERCARRIAGE's construction, offering non-porous durability that resists bacterial colonization and material degradation. The flexible silicone conforms to different anatomies without rigid pressure points that could restrict circulation during extended wear. Water-based lubricant remains the only compatible lubricant type, as silicone-based formulations degrade the material's surface. Discontinue use immediately if numbness, discoloration, or discomfort develops during wear.
This cock ring suits people seeking adjustable base stimulation without complex harnesses or multi-component designs. Those new to vibrating rings appreciate the straightforward controls and intuitive operation. Partners interested in adding sensation during penetration find the compact size allows comfortable wear throughout partnered sessions. Anyone valuing gender-inclusive design aesthetics and neutral presentation will connect with the minimalist gray appearance and purposeful engineering.
For people accustomed to single-speed vibration, discovering that multiple pulsation patterns create entirely different sensations shifts what feels effective during arousal. Some bodies respond only to rhythmic pulsing rather than steady vibration—constant intensity feels monotonous after the initial minutes, while alternating patterns maintain novelty and escalating sensation throughout the session. The Gender X UNDERCARRIAGE's pattern variety means you're not locked into one sensation type; instead, you can shift rhythm mid-session to sustain momentum when steady vibration alone would plateau. For those frustrated by basic cock rings that offer constriction without stimulation, adding vibration transforms passive wear into active pleasure generation. The silicone construction allows comfortable extended wear without the numbness that metal or rigid plastic rings can cause, meaning longer sessions without discomfort interrupting arousal. For partners seeking to enhance penetration without introducing bulky external vibrators, this compact base stimulation integrates naturally into partnered sex without awkward repositioning.
Our independent testers evaluated the Gender X UNDERCARRIAGE's vibration consistency, pattern differentiation, and comfort during extended wear. Testers confirmed that vibration intensity remained stable across all pulsation patterns without degrading after repeated use cycles. The silicone material maintained its grip without slipping during use, and the flexible construction accommodated various body dimensions comfortably.
Testers reported that the transition between vibration patterns felt distinct rather than subtle, allowing clear preference identification during exploration. One tester noted that wearing the ring for 20-minute sessions produced no numbness or circulation restriction, even with snug positioning. Individual results may vary based on anatomy, sensitivity, and usage patterns.
| Product | Unique Advantage | Key Difference | Choose This If You Want |
|---|---|---|---|
| Gender X UNDERCARRIAGE | Multiple vibration patterns with adjustable intensity levels | Silicone construction with USB rechargeable power | Customizable vibration variety with comfortable extended wear |
| CBT Cock Ring Sets | Multi-component designs combining constriction with additional sensation | Includes specialized attachment options for varied stimulation | Layered sensation combining different stimulation types simultaneously |
| Large Cock Rings | Extended diameter accommodating larger anatomies comfortably | Prioritizes fit over compact design for bigger body types | Secure fit without compression if standard sizing feels too tight |
| Penis Rings | Passive constriction without vibration for sensation through pressure alone | No power source required; simple mechanical function | Basic constriction effect without battery maintenance or charging |
Explore our cock rings with specialized inserts to discover additional stimulation variations beyond basic vibration patterns.
Understanding vibration pattern preferences helps you identify which rhythms match your body's response patterns during arousal. Some people discover that specific pulsation sequences trigger faster arousal than others, while steady vibration works better for sustained pleasure without climax. Our comprehensive cock ring guide explores pattern selection, fit optimization, and extended wear techniques for maximum comfort and sensation.
Ready to experience adjustable vibration patterns with gender-inclusive design, the Gender X UNDERCARRIAGE is available at Adultsmart. All orders ship discreetly across Australia in plain, unmarked packaging with confidential tracking.
Adultsmart.au ships with Australia Post. We ship from Sydney.
All in-stock orders placed before 12pm AEST (Sydney Time) on business days are generally processed on the same day. Packages are usually received 1-6 business days after shipping, but may subject to any postage carrier related delays beyond our control.
Free standard shipping on orders shipped within Australia above $200. For orders below $200 standard shipping within Australia is $12.95 and will be added at checkout.
Orders addressed to P.O box, G.P.O box or Parcel Collect will be handled by Australia Post. Extra time should be allocated for these orders.
Shipping Transit Times (Including Free Shipping)
Shipping time refers to the estimated time that it will take to deliver your order after it’s ready to ship (Please note this does not include time to process your order). Shipping time does not commence after your order is put through but begins the moment your order has been processed and is ready to dispatch via the our freight carrier..
All in stock orders are generally processed on the same day the order was placed on business days for orders received before 12pm. Generally, orders are processed and shipped the same day or next business day.
Orders are typically received 1-6 business days after shipping. For larger packages please allow an extra 1-2 business days for delivery.
If no one is available at your delivery address to accept your order a second delivery may be scheduled or you will be notified that your order can be collected from the nearest depot location.
All orders are generally processed on the same day the order was placed on business days before 12pm.
Generally, orders are processed and shipped the same day or next Business day.
Packages below 2kg are usually received 3-6 business days after shipping. For larger packages please allow an extra 1-2 business days for delivery.
If no one is available at your delivery address to accept your order a second delivery may be scheduled or you will be notified that your order can be collected from the local Australia Post depot.
The price for international shipping is AU$12.95 for orders equal to or below 0.399kg (399grams), and AU$22.95 for orders with a total weight equal to or above 0.4kg (400 grams).
All in-stock orders placed before 12pm AEST (Sydney Time) on business days are generally processed on the same day. Packages are usually received 6-30 business days after shipping.
If no one is available at your delivery address to accept your order a second delivery may be scheduled or you will be notified that your order can be collected from your nearest delivery depot.
Please note in regards to all orders
– These expected delivery dates/times are based on carrier shipping practices, your destination, and the items in your order.
– Expected delivery dates are estimates. Orders can be delayed due to fraud verification or the time of the order being placed. Items that are not regularly stocked cannot be held to the expected delivery dates.
– Orders may be delivered in separate shipments.
– The order cut off times are based on normal Business Hours and exclude weekends and Holidays: Monday – Friday 12 pm
– When your order ships you will receive an email from us with a link to track your order. If you receive your tracking number before 6 pm (AEST) it may not be updated on the Carrier’s website until that evening.
Due to large amounts of online credit card fraud, all orders are subject to approval by our payment verification department. We will notify you by phone or email should your order be delayed.
We have a 14 day return policy, which means you have 14 days after receiving your item to request a refund for any defective products.
Returns and exchanges are only available for faulty items, goods not as described, or in some instances, for incorrect sizing.
Due to health and safety regulations, Adultsmart.com.au cannot resell any returned or exchanged products.
This policy is in place to prioritise your well-being and ensure that you receive the highest standard of hygiene and quality in all products.
To be eligible for a refund, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging.
You’ll also need the receipt or proof of purchase. We do not issue refunds for change of mind or incorrect choice.
Under Australian Consumer Law, we are not obliged to accept returns for “incorrect choice” or “change of mind” so please choose your products carefully.
Any freight and insurance costs to return the item to us are at your expense. This includes the liability for any lost freight – send via registered post.
If your return request is accepted, we will provide you with all instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.
Damages and issues
Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.
Exceptions / non-returnable items
We do not accept returns for any products that have change of mind, damaged products, or for products that have been used or do not have their original packaging.
Please get in touch if you have questions or concerns about your specific item.
Unfortunately, we cannot accept returns on sale items or gift cards.
Refunds
We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method within 7 business days.
Please remember it can take some time for your bank or credit card company to process and post the refund too.