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🛡️ Ride hard, protect harder — gear up like a pro with Demon Hyper X!
The Demon Hyper X D3O V3 Knee Pad is a medium-sized, high-performance protective gear designed for mountain biking, BMX, MX, and snowboarding. Featuring a Kevlar abrasion-resistant front panel and advanced D3O shock-absorbing foam, it delivers superior impact protection. Its dual hook-and-loop straps and soft terry cloth interior provide a customizable, comfortable fit, while perforated neoprene ensures excellent ventilation. Built tough and backed by Demon United’s quality guarantee, this knee pad offers durable, breathable protection for serious athletes.









| ASIN | B06W9DHQDD |
| Age Range (Description) | Adult |
| Age Range Description | Adult |
| Best Sellers Rank | #90,900 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #74 in Skate & Skateboarding Knee Pads |
| Brand | DEMON UNITED |
| Brand Name | DEMON UNITED |
| Closure Type | Hook,Loop,Velcro |
| Color | black |
| Customer Reviews | 4.6 out of 5 stars 1,042 Reviews |
| Fabric Type | neoprene, polyester |
| Form Factor | Shell |
| Global Trade Identification Number | 00650327348509 |
| Included Components | Pair of knee pads |
| Item Dimensions | 12 x 8 x 5 inches |
| Item Package Quantity | 1 |
| Item Type Name | Knee Pads |
| Item Weight | 2 Pounds |
| Manufacturer | Demon United |
| Material | Neoprene |
| Model Name | Demon Hyper X D3O Knee Pads |
| Model Number | ds5125 |
| Number of Items | 1 |
| Part Number | ds5125 |
| Product Care Instructions | hand wash in cool water-air dry |
| Size | MEDIUM |
| Specific Uses For Product | mountain biking |
| Sport Type | mountain bike |
| UPC | 650327348509 |
M**D
Great, very comfortable
Im almost 6' tall, long arms, trim to average build 185 lbs. My arms are bigger than legs. XL size for arms and legs slightly large for me, almost perfect over clothes. Certainly workable with velcro straps. I could use a large without clothes underneath. Glad I bought XL for versatility, hot or cold weather use. I cant imagine better fit, comfort or protection in more breathable fabric without rigid plastic...worth the price, always worth the protection. No doubt they do truly "save."
N**H
This is the best knee pad for biking
I have tried almost every pad made for biking: POC, G-FORM, Fox D3O, Troy Lee, etc. This offer the most comfort and best protection out of all of them. They are very similar to the Fox pads but the fox pads only come in 3 sizes and I was between M and L on those. Additionally the fox pads seemed to have a large empty space between the pad and my knee cap. The Large Demon pads fit my leg perfectly. Its comfy, and there is not a lot of excess material/space. I am 6'1" tall and 160 pounds. My knee measures 14" directly around the center of the patella, and my thighs taper very quickly as you go up my leg. My thigh is 16.5" as measured 4" above knee cap center and my calves are about 13.25 at the fullest part. On my leg, the top strap sits more like 2" above my knee cap center, not 4". This pad has an angled lower strap which allows it to rest just above the belly of the calve to prevent slip down.
M**N
Amazing Product
As a first year snowboarder I’ve fell a lot. Moving into the terrain park was a lot harder than it looks and this product, while not limiting flexibility, has saved my knees many times!
D**H
Excellent fit , Great protection
I am 5’10” average build. I bought an extra large set of knee pads. They fit perfect. Very very comfortable . I had them on for 5 hours and could have worn them on our drive home (3 hours) they are so comfortable. I don’t even need to tighten the Velcro. I bought these over other brands because of the Velcro just in case. I crashed hard at an indoor bike park ( wooden ramps) my first time using them. I landed into the side of the ramp on a sharp edge. These pads held up. No rips or tears. I have no doubt my knee would have been really messed up without this protection. Just for clarification, I’m a 50+ y.o. guy. I’ve ridden bmx and mountain bikes my whole life. Crashes get a little harder to recover from the older I get so I wanted some added protection with comfort. I looked at 3 other brands and kept going back and forth. I finally decided on these. I am completely satisfied
N**L
I would recommend these to anybody looking for a good pair of pads
I have been researching knee pads for weeks upon weeks, watching videos and side by side ratings from multiple mtb forums, I decided I would try these out since I run their helmet and A fan of it. So here is my opinion, Fit is perfect and super comfortable. Some people have said that the sizing isn’t true, just learn how to measure things and you will get the right size, adding a inch to your size doesn’t always help you. Product and packaging are nice quality and they come with a mesh bag which is nice for keeping them together and helping them air out and get that stanky sweat off that has been beholding up all day. I would recommend these to anybody looking for a affordable set that still offer good protection.
T**N
Lateral Frontal protection + Free Movement
I am using this product for my MuayThai classes; I cannot appreciate the product enough for keeping me safe from knees shoks; they have a lateral frontal protection; you are extremly freein mvoements'I also use them for my downhill biking. I love them; so thankful for such a good engineering product! GREAT JOB SAVED SO MANY PEOPLE
D**H
Great value
I find these perfectly comfortable, they have been durable. For the price I 100 percent recommend.
M**T
difficult to get on leg
If you are wearing shorts, then they are ok to slide up leg. A bit on the bulky side. Long pants of any sort...forget it. Total pain to attempt to slide over pants, or take your pants off then try to put pants back on! Next time I will get knee pads that velcro or snap around leg so that I can put them over long pants, or not have to take my shoes off to slide up leg.
V**A
Excelente producto
Excelente producto llegó antes de lo planeado. El material no le pide nada a las Fox D30 que son del mismo segmento, costuras, elasticidad y tamaño. Mido 1.85 y peso 104 la talla L me quedo bien, en su justo medio y son ligeras al momento de rodar da la sensación de no sentir que las traes puestas
K**G
Great protection for your knees
I was using some no name brand for snowboarding but they are nothing comparing to the Demon Hyper X D30 kneepads. They provide a lot better protection and also comfortable to wear all day at the same time. Even in icy condition my knees are protected when I fall. Will purchase again in the future for other products.
J**E
perfect for snowboarding
used in Japan last month during snowboarding. perfect protection. rest assured when kneel down
A**.
Excelnet
El producto realmente es muy bueno gracias a Dios no ha sido necesario probar la funcionalidad pero se una y sin problema es cómodo y se ve super bien la calidad.
A**R
love it
terrific product.
Trustpilot
2 weeks ago
2 months ago