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Strap on Harnesses & Kits


  • Up to 50% off

    Em.Ex.

    Em.Ex. Active Harness Wear-Fit

    All-day wearable harness in a boy-short cut with moisture-wicking fabric. Built-in 1.5" O-ring, two bullet pocke...

    • 1.5 in wide
    Sale price £34.98 Regular price £69.95
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  • Up to 20% off

    Strap On Me - Diva Harness - Black

    Sale price £34.36 Regular price £42.95
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  • 20% off

    Sportsheets Strap-On Vibrating Velvet Harness

    Soft velvet harness with three interchangeable O-rings and a built-in bullet vibrator pocket. Four-way adjustable str...

    • Polypropylene
    • Adjustable
    Sale price £39.60 Regular price £49.50
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  • Up to 20% off

    Strap On Me-Diva Harness-Red

    Sale price £34.36 Regular price £42.95
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  • Mythology

    MYTHOLOGY FANTASY HARNESS - BRONZE

    Handmade vegan strap-on harness with adjustable hip and leg straps. Fits dildos up to 5cm diameter and adapts to your...

    • Vegan
    • Adjustable
    Sale price £18.87 Regular price £26.95
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  • Up to 10% off

    Slap Leather

    Soft Leather Deluxe Strap-On Harness MTO

    Adjustable leather strap-on harness with three interchangeable metal rings (40mm, 45mm, 50mm). Soft garment leather, ...

    • Made to order
    • Leather
    • Adjustable
    Sale price £107.96 Regular price £119.95
    Free UK delivery
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  • 20% off

    Thigh Strap Silicone Probe

    Adjustable thigh strap harness with a 5-inch silicone probe and two interchangeable rings. Padded, double-stitched de...

    • Silicone
    • 12.75 cm long
    • 3.25 cm wide
    Sale price £19.96 Regular price £24.95
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  • 20% off

    Sportsheets

    Sportsheets Strap-On Red Lace Corsette

    Red lace corset-style harness with adjustable straps that fit up to 60-inch hips. Includes three O-rings and a bullet...

    • Lace
    • Adjustable
    Sale price £40.40 Regular price £50.50
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  • 30% off

    Saxos

    Leather Strap-On Harness with Dildo

    Leather harness with padded straps and a 20cm latex dildo. Adjustable fit, comfortable for extended wear.

    • Leather/Latex
    • 20 cm long
    • 40 mm wide
    Sale price £45.47 Regular price £64.95
    Free UK delivery
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  • Mythology

    MYTHOLOGY FANTASY HARNESS - IRIDESCENT

    Handmade vegan strap-on harness with adjustable hip and leg straps. Fits dildos up to 5cm diameter and adapts to your...

    • Vegan
    • Adjustable
    Sale price £18.87 Regular price £26.95
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  • Up to 10% off

    Slap Leather

    Metallic Leather De Luxe Strap-On Harness M2O

    Handcrafted metallic leather strap-on harness with fully adjustable fit and three interchangeable metal O-rings. Choo...

    • Made to order
    • Leather
    • Adjustable
    Sale price £114.26 Regular price £126.95
    Free UK delivery
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  • Up to 50% off

    Em.Ex.

    Em.Ex Active Harness Wear-Silhouette Crotchless-Black-X

    High-cut crotchless harness in moisture-wicking fabric that's built for all-day wear. Secure O-ring, dual bullet ...

    • 3.81 cm wide
    Sale price £34.98 Regular price £69.95
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  • Up to 50% off

    Em.Ex.

    Em.Ex Active Harness Wear-Contour

    Jock-style strap-on harness in moisture-wicking fabric with built-in O-ring and dual bullet pockets. Designed for all...

    • 1.5 in wide
    Sale price £34.98 Regular price £69.95
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  • 20% off

    Hung System Mega Plug

    Upgrade attachment for the Hung System harness that lets you secure larger, heavier toys with confidence.

    Sale price £11.16 Regular price £13.95
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  • 20% off

    Hung System Harness

    Adjustable neoprene harness that holds any Hung System toy securely, leaving your hands free. Breathable, comfortable...

    • Neoprene
    • Adjustable
    Sale price £25.56 Regular price £31.95
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  • Up to 10% off

    Slap Leather

    De Luxe Dildo Red Harness

    Handcrafted red leather strap-on harness with adjustable waist and leg straps. Comes with three interchangeable O-rin...

    • Leather
    • Adjustable
    Sale price £107.96 Regular price £119.95
    Free UK delivery
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  • Up to 10% off

    Slap Leather

    De Luxe Dildo Pink Harness

    Handcrafted pink leather strap-on harness with three metal cock rings (40mm, 45mm, 50mm). Fully adjustable waist and ...

    • Leather
    • Adjustable
    Sale price £107.96 Regular price £119.95
    Free UK delivery
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  • Up to 10% off

    Slap Leather

    De Luxe Dildo Black Harness

    Adjustable black leather strap-on harness with three metal O-rings (40mm, 45mm, 50mm). Handcrafted by UK artisan Slap...

    • Leather
    • 40-50 mm wide
    • Adjustable
    Sale price £85.46 Regular price £94.95
    Free UK delivery
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  • 20% off

    Bumpher Shagger Strap-On Dildo Base

    Textured silicone strap-on base with wave-like ridges that stimulate the wearer during use. Fits most dildo bases and...

    • Silicone
    Sale price £31.96 Regular price £39.95
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The harness is the thing most people think about last and feel the consequences of first. If it shifts, pinches or sits wrong on the body, nothing else about the session works the way it should. Getting the fit right before anything else happens is the part that makes the difference. Browse standalone harnesses built around O-ring compatibility, complete kits that arrive ready to use, and adjustable unisex designs that fit across a genuine range of bodies. Strapless strap ons are also available if harness-free play suits you better.

Getting the Fit Right

The harness is the part that shapes the whole experience. A poorly fitted one shifts during use, disrupts the dynamic and makes things frustrating fast. A well-fitted one disappears into the scene.

Most harnesses use adjustable straps that sit around the hips and sometimes between the thighs. The fit should feel snug without digging in, and the O-ring at the front holds the dildo in place. O-ring size matters: check it matches the base diameter of the dildo you plan to use. Many kits include interchangeable rings, which means you are not locked into one size or shape once you have found a harness you like.

Strap-on kits bundle the harness with one or more dildos, which is useful if you are starting out and want everything in one purchase. Complete kits typically include medical-grade silicone dildos shaped for G-spot or P-spot stimulation, sometimes in two sizes so you can choose based on preference or experience. Some harnesses also include a small pocket behind the O-ring for a bullet vibrator — that adds sensation for the wearer rather than just the person being penetrated, which changes the dynamic in ways worth knowing about before you assume a harness is purely functional.

Fabric and material vary more than people expect. Nylon webbing harnesses are lightweight, easy to clean and adjustable across a wide range of body sizes — good if practicality and flexibility are the priority. Leather harnesses feel more structured, hold their shape differently and tend to suit those who want a firmer aesthetic alongside the function. Neither is better; they just suit different approaches to play and different ways of thinking about what a session should feel like.

Pegging play and general partnered strap-on use both benefit from communication before you start. Talk through positions, depth, pace and how to signal a pause. A safe word or signal keeps things clear, especially once the scene builds momentum.

Water-based lubricant works best with medical-grade silicone dildos — silicone-based lube can degrade the material over time, so it is worth checking what you are working with before you reach for the bottle.

Find the Right Strap-On Setup

Browse Strap on Harnesses & Kits with these options in mind:

  • Complete Strap-On Kits - harness plus dildo(s) included. A practical starting point that takes the guesswork out of compatibility.
  • Adjustable Unisex Harnesses - designed to fit a range of bodies without assuming size or shape. Pair with your own dildo via the O-ring.
  • O-Ring Compatible Harnesses - interchangeable rings let you switch dildo size and shape depending on what the session calls for.
  • Vibrating Kit Options - harnesses with a bullet pocket add stimulation for the wearer. Pairs well with a small, powerful bullet vibrator.
  • Leather Harnesses - structured and durable, with a firmer feel than fabric alternatives. Often chosen as much for aesthetic as function.
  • Strapless Designs - if a traditional harness does not appeal, strapless strap ons stay in place differently and work well for specific positions and dynamics.
  • Cock Straps and Wearable Harnesses - cock straps and harnesses offer an alternative for those who want a close-fitting, body-worn design.

Harness Fit and Care

Measure around the hips before buying if the size range is given. Most adjustable harnesses cover a broad range, but it is worth checking the maximum and minimum to avoid returns.

Clean fabric harnesses according to the product guidance, many are machine washable on a gentle cycle. Wipe leather harnesses with a damp cloth and allow them to dry naturally away from heat. Clean silicone dildos with warm water and toy cleaner before and after use, then dry and store them separately.

If you are sharing a harness or dildo between partners, clean everything thoroughly between uses. A condom over the dildo makes transitions more straightforward during a session.

Frequently Asked Questions About Strap on Harnesses & Kits

How do I know if a dildo will fit my harness?

Check the O-ring diameter on the harness and the base diameter of the dildo. The dildo base needs to be wider than the O-ring opening to sit securely. Many harnesses include interchangeable O-rings in different sizes, which gives you more flexibility when pairing with different dildos.

What is the difference between a strap-on harness kit and a standalone harness?

A kit includes the harness and one or more dildos, making it easier to get started without sourcing parts separately. Standalone harnesses are worth choosing if you already own paired dildos or want to build a more customised setup. Both options are available within the Strap on Harnesses & Kits range.

How should a strap-on harness fit?

Snug but not restrictive. The straps should hold the dildo firmly against the body during movement without cutting into the hips or shifting out of position. Start by loosening all the straps, putting the harness on, then adjusting from the hips inward. Try a few movements before play to check nothing slips or digs in.

Can strap-on harnesses be used for pegging?

Yes. Harness-based strap-ons are commonly used for pegging, which refers to anal penetration using a strap-on. Choose a dildo with a tapered tip and a shape suited to the angle of approach. Use plenty of water-based lubricant, go slowly, and agree pace and depth beforehand. If you prefer not to use a harness, strapless strap ons are a practical alternative for certain positions.

What is the right way to clean a strap-on harness and dildo after use?

Clean the dildo with warm water and toy cleaner after every use, then dry fully before storing. For fabric harnesses, check whether machine washing is recommended on the product guidance, most handle a gentle cool cycle well. Leather harnesses should be wiped clean and dried away from direct heat. Never submerge a harness with metal hardware without checking it is safe to do so first.