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Ships within 48 hours · Estimated delivery Aug 10 - Aug 15
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Description
NīNEpointNīNE | Li-Ning Feidian 6 Ultra -GreyThe Feidian 6 Ultra is built around a four layer performance stack engineered for race day speed. At its core, the Super Boom Capsule midsole delivers ultra fast response with an energy return rate of up to 95% and a reaction time as low as 3ms. A T1000 full length ballistic carbon fiber plate running a dual arch structure stiffens the forefoot and drives explosive propulsion with every stride. The Dual Stage Assist Curves geometry accelerates both
The Feidian 6 Ultra is built around a four-layer performance stack engineered for race-day speed. At its core, the Super Boom Capsule midsole delivers ultra-fast response with an energy return rate of up to 95% and a reaction time as low as 3ms.
A T1000 full-length ballistic carbon fiber plate — running a dual-arch structure — stiffens
the forefoot and drives explosive propulsion with every stride. The Dual-Stage Assist Curves geometry accelerates both heel-strike and toe-off, keeping momentum continuous throughout the gait cycle.
Underfoot, the next-generation GCU Ground Control Unit features a net-structure thin outsole with multi-angle interlocking grip, engineered for traction, durability, and confident footing across varied surfaces.
- Four-layer midsole power system: Super Boom foam upper layer, Super Boom Capsule mid-layer, Li-Ning Jiang Carbon-fiver plate, dual-stage assist curves lower layer.
- Li-Ning Boom Fiber upper with 35% improved breathability vs. traditional mono-yarn.
- Super Boom Capsule with 3ms response time and 95% energy return rate.
- Biomimetic wing-shaped fiberglass support plate for torsional resistance and arch stability.
- Support plate with widened forefoot-to-heel design for balanced, stable landing.
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Full FOS Knit Upper Breathability increased by +117.6%
- Tear-resistant upper construction that stays secure and breathable through long runs.
- Next-generation GCU Ground Control System outsole for grip and abrasion resistance.
- Suitable for road, track, and wet surfaces across high-frequency training use.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 10 reviews
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Product Reviews
★★★★★ 5
Great Mattress for Everyday Use
Item Firmness Description: Medium Firm, Item Thickness: 6.0 Inches, Size: Twin, Item Firmness Description: Medium Firm, Item Thickness: 6.0 Inches, Size: Twin
I’ve been sleeping on this mattress for a few days now, and I honestly couldn’t be happier with it. It has that wonderfully soft, memory foam feel that I love, but it also provides just the right amount of support to keep my body comfortable all night long. I usually sleep on my side, and sometimes on my back, and I find that it feels great in both positions—no more waking up with a sore back, which is such a relief.
What really surprised me is how cool it stays during the night. I’ve used memory foam mattresses before that made me sweat, but this one has a noticeable cooling effect that actually works better than I expected. It stays comfortable all night, no matter how much I toss and turn. Plus, it absorbs movement really well, so if my partner shifts around or I move in my sleep, it doesn’t disturb me at all.
Setting it up was super easy—the mattress expanded quickly after I took it out of the box. There was a small foam smell at first, but it vanished pretty fast. Overall, it’s comfortable, supportive, and feels like a great value. If you’re looking for a mattress that strikes a good balance between softness and support, I’d definitely recommend giving this one a try.
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Reviewed in the United States on May 9, 2026
★★★★★ 5
Comfortable, Supportive, and Sleeps Cool
Item Firmness Description: Medium Firm, Item Thickness: 10.0 Inches, Size: Queen (U.S. Standard)
This queen mattress is very comfortable and offers a great balance of softness and support. It is medium-firm and works well for relieving pressure on the back, shoulders, and hips while still feeling supportive throughout the night. The cooling feature helps keep the mattress comfortable and fresh, especially for warmer sleepers. It arrived neatly packed in a box and expanded quickly after opening with very little odor. I also appreciate that it’s certified, which gives extra peace of mind about the materials. Overall, a high-quality mattress that delivers great comfort and value for the price.
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Reviewed in the United States on May 21, 2026
★★★★★ 5
Amazing mattress
Item Firmness Description: Medium Firm, Item Thickness: 12.0 Inches, Size: Queen (U.S. Standard), Item Firmness Description: Medium Firm, Item Thickness: 12.0 Inches, Size: Queen (U.S. Standard)
I’m really happy with this mattress! From the first night, it felt super comfortable and supportive. It has the perfect medium-firm feel, not too hard and not too soft, which makes it great for a good night’s sleep.
The memory foam adapts really well to my body and helps relieve pressure, especially on my back and hips. I wake up feeling much more rested and without soreness.
I also love that it has a cooling effect. I usually get warm while sleeping, but this mattress stays comfortable throughout the night.
Another great thing is that it doesn’t transfer movement, so if you share the bed, you won’t feel the other person moving around.
Overall, this mattress exceeded my expectations. It’s comfortable, supportive, and feels like great quality for the price. I would definitely recommend it!
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Reviewed in the United States on April 29, 2026
★★★★★ 5
Comfortable and well made
Item Firmness Description: Medium Firm, Item Thickness: 12.0 Inches, Size: King
The firmness is great. Sleeps so good. Keeps us cool and forms to our bodies. I just hope it holds up for a few years. I have the 12 inch and my daughter that is 100lbs has the 10 inch we’ll see if this was as good of a buy as I think it is. Feels good and soft to the touch. I recommend this to anyone before you spend 2000.00 on a bed try this one it so very worth the money.
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Reviewed in the United States on May 22, 2026
★★★★★ 4
Couch yes. Sleep, no
Item Firmness Description: Medium Firm, Item Thickness: 6.0 Inches, Size: Twin
I bought it for a daybed in the livingroom as a couch. It’s firm, but conforms to you(memory foam). Sitting is comfortable, however if I lay down it’s too hard. I can set a plate of food down next to me and it won’t move. So perfect for a couch, I wouldn’t be able to sleep on it
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Reviewed in the United States on May 30, 2026
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