KIWI design K4 Flex Comfort Lite Head Strap for Quest 3/3S, Original Adjustable Replacement Strap with PU Foam Padding, Larger Headrest & Streamlined Design, Engineered for Lying-Down Use (No Battery)
Original price was: $34.99.$25.99Current price is: $25.99.
Product description
The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. K4 Flex Head Strap Merchant Video
K4 Flex & P5000 = Ultra-long VR Sessions 
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Why is K4 Flex Head Strap ideal for lying-down use?
Its flat-back design eliminates rear pressure points, so there’s no bulky bump pressing into your head when lying down.
Why does K4 Flex Head Strap deliver ultimate comfort?
Its oversized PU & foam rear pad spreads pressure evenly for a soft, comfy fit.
Why can whole family use K4 Flex Head Strap?
Its adjustable straps fit all head sizes—perfect for kids and adults alike.
Why is K4 Flex Head Strap easy to carry?
Its foldable design takes up minimal space—fits easily in pockets or bags.
Why is the K4 Flex Head Strap easy to adjust?
It adopts a velcro + woven elastic strap design, allowing adjustment to be done simply by attaching and stretching.
KIWI design MR World
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Customer Reviews
4.7 out of 5 stars 232
4.6 out of 5 stars 135
4.8 out of 5 stars 2,855
4.6 out of 5 stars 2,287
4.6 out of 5 stars 326
4.6 out of 5 stars 731
4.0 out of 5 stars 526
Price
$25.99$25.99
$79.99$79.99
$37.99$37.99
$69.99$69.99
$24.99$24.99
$31.99$31.99
$25.84$25.84
Compatible With
Quest 3S/3
Quest 3S/3/2/1/Pro, Pico 4
Quest 3S/3
Quest 3S/3
Quest 3 Only
Quest 3S/3
Quest 3S/3/2/1/Pro, Pico 4
Size
9.06*5.51*2.17 inch
5.51*4.72*1.57 inch
9.25*8.86*2.76 inch
10.24*9.65*2.76 inch
7.48*4.33*4.33 inch
6.10*4.13*3.74 inch
10.63*7.87*0.79 inch
Weight
0.68 lb
0.82 lb
1.18 lb
1.77 lb
0.5 lb
0.54 lb
0.52 lb
Battery
✘
✔
✘
✔
✘
✘
✘
Special Feature 1
FlatBack Design Fit Lying Down
Unlimited Power
Lighter and More Compact
DualFast Power Charging
Blocking Light
Protect the Controller
Fast Charge Chip
Special Feature 2
Universal Fits All Head
Pocket-Sized
More Secure
More Secure
Ventilation Design
Swift battery replacement
5Gbps Super Speed Link Cable
Special Feature 3
Foldable & Travel-Ready Design
For All Type-C Devices
Ideal for Gaming and Fitness
Ideal for Gaming and Fitness
Wide and Soft Face Cushion
Stay in Sync always
Stability&Safety
ORIGINAL REPLACEMENT FOR META QUEST 3/3S: The KIWI Design K4 Flex head strap features a large rear head support with self-adapting PU material and soft foam padding, delivering superior comfort and significantly reducing pressure points compared to the original cloth strap.
ENJOY COMFORT WHILE LYING DOWN: The flat-back design fits seamlessly against pillows, preventing discomfort while lying down on beds or sofas. Whether you’re engaging in virtual social chats, streaming Netflix VR content, practicing meditation, or diving into immersive casual games, enjoy a stable and relaxed experience without the dreaded “headset bump.”
UNIVERSAL FIT: Woven adjustable elastic bands with a size range of 17.7 to 27 inches, compatible with every member of the family. It’s the perfect shared accessory for family game nights, allowing everyone to swap the headset on and off without pausing the fun.
EASY TO PUT ON & TAKE OFF: The streamlined elastic fit design allows for quick donning and doffing with a simple pull and release. Say goodbye to the hassle of “adjusting knobs while blindfolded” — you can put it on or take it off in just a few seconds.
FOLDABLE & TRAVEL-READY DESIGN: Roll-up structure makes this head strap easy to carry in a backpack. Perfect for commuters, travelers, and anyone who wants VR comfort on the go.
CERTIFIED SAFE & ULTRA-DURABLE: Crafted from rigorously tested, safety-certified materials, it retains 86% of its original performance even after 5,000 stretch tests in the laboratory, delivering unparalleled comfort and long-lasting durability for you.
13 reviews for KIWI design K4 Flex Comfort Lite Head Strap for Quest 3/3S, Original Adjustable Replacement Strap with PU Foam Padding, Larger Headrest & Streamlined Design, Engineered for Lying-Down Use (No Battery)
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Howard Roy Routt III –
Fits in Meta brand compact case!!!
Very comfortable and easy to install. I purchased the Meta brand compact case when I got my Meta Quest 3. When I realized I wanted a more comfortable head strap I realized most of the ones available would not fit in the Meta compact case. This Kiwi head strap looked like it might possibly fit. I’m happy to report that it does if loaded carefully as shown, and the Kiwi head strap is way more comfortable than the one that came with the Meta Quest.
Elijah –
Comfortable!
Very comfortable! I have a much thicker bobo one but this one works much better when just laying down or wanting to play without so much weight atop.
Rodrigo –
Bueno, pero hasta ahí.
Para evitar que se mueva el visor, se debe apretar bastante a la cara, pero si no vas a hacer nada Fitness y lo aflojas, es cómodo
Vincent McCullum –
Best strap for travel and comfort
Very comfortable. Leagues ahead of the default strap. It makes it to where you just slide it on. Takes some weight off the face. Strongly recommended for the price. I didn’t care for the clunky plastic slider/dial options. This makes it lighter and easier to travel with. I recommend pairing it with Kiwis facial interface as well. Bonus feature is being able to lay your head back/use it in bed.
Chenille –
Extremely comfortable
Very comfortable. Great design. Easy to install. Extremely durable. Great for kids.
Liana –
My Needs Have Been Met!
I chose this item because my headset kept slipping forward on my head, I didn’t want a bulky battery pack, and because I prefer velcro over know adjustment, as the know tend to wear out and loosen over time. I’ve used this strap for over two weeks and have found no red flags, so far!
Jessica Davidson –
Absolutely recommend
I absolutely do not regret purchasing this item. The original strap on my 3S was causing headaches for me and my daughter. And putting this on made a huge difference it’s not putting pressure on the back of my head like the other one was.
Jeff –
A great upgrade depending on your fit.
My first aftermarket head strap for my Quest 3 was a BOBOVR M3 Pro, which is bulkier than this KIWI K4 (obviously, since it has to support an external battery). My thinking for also getting the KIWI K4 was that while the BOBOVR M3 is perfect for games where you need full movement, there are many games where you can be sitting on the couch. And for those games, I tend to plug in with a long USB-C cable so I never need to worry about battery life. If I’m plugging in anyway, why would I need the larger M3 apparatus when I could just swap it out with the smaller, lighter K4? So that was the idea. Use the M3 for times when I’m not plugged in, and use the K4 when I am plugged in.In reality, it didn’t quite work out that way for me. The K4 is well made. You can attach it to the headset in seconds, just snapping on the two side clips and attaching the top velcro strap which is looped through the hook at the top of the headset, just like the original strap. The overall weight is a bit heavier, but it’s not at all noticeable because of how it improves the distribution of that weight. The padded piece for the back of the head is just as comfortable as the one used on the M3, and the feel is definitely an improvement over the original white strap from Meta. As an upgrade from the original strap, this is definitely worth the money.Here’s the only problem (and this is a personal preference issue): I originally ditched the Meta original white strap because of the way it distributed the weight of the headset. It attempted to evenly distribute that weight along the strap, which 1) caused the headset itself to hang a little heavier in the front, and 2) after a little while it started to cause headaches from the constant pressure. Unfortunately, the K4 uses the same basic principles to keep the headset in place, so I ended up having the same problems. The headset weight issue was slightly improved, but I still got a headache after a bit.Now I fully understand that everyone is built different and some people may not have this issue. To those people, I say that this is a great comfort upgrade and you should get it. However, if you find yourself getting a headache that quickly subsides when you take the headset off, then you might have the same issue as me with that top strap. If you do, invest in something like the BOBOVR M3 which uses your forehead and the back of your head to suspend the headset, which for me completely stopped any headache issues.
Brownstone1892 –
This has made me love my Quest again. The hard plastic head strap I used to use would give me a tension headache on the back of my head, making usage of over an hour impossible. This strap is so comfortable, you almost forget you’re wearing a VR headset. This is exactly what the head strap provided with the Quest should have been. Easy to adjust for other head sizes, and nice and snug when fastened correctly. It also has the added benefit of pulling my eyes further into the “eye holes”, meaning I get to see a greater FOV!Highly recommended!
Badr Gourari –
très confortable et de qualité
Michele –
restituisce quello che promette, il confort anche da sdraiato sul letto è incredibile, confortevole anche nel gaming più sfrenato dato dalla sua stabilità, ho acquistato questa fascia in combo con KIWI design P5000 Power Bank in alternativa ad una classica fascia con batteria integrata per la comodità promessa, consiglio l’acquisto per la facilità di regolazione, per la comodità e per la stabilità
Marek Goscinny –
Ich bin von KIWI Design K4 Flex begeistert .Auf den Kopf merkst du den kaum noch dass du was um hast und der sitzt perfekt.Du kannst auch problemlos im Bett komfortabel Filme schauen ohne dass es hinten was Stört.Für längere Nutzung der Quest 3 habe ich mir ein Zusatzakku gekauft von Kiwi 10000 mAh und ob mit Akku oder ohne ist das das beste Kombi . .Würde das Teil wieder kaufen ,weil wirklich sehr bequem ist tolle Verarbeitung .Ach ja und das Interface habe ich von AMVR kann ich euch sehr empfehlen 👍
David Cobos Martin –
Todo perfecto