SKU: 39183650371

SHOEI RF-1400 Full-Face Helmet – Zaku I

Sale price$373.50 Regular price$415.00
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Ships within 48 hours · Estimated delivery Aug 7 - Aug 12

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Description

SHOEI RF-1400 Full-Face Helmet – Zaku IDESIGN CONCEPT The Evolution of Perfection is a fitting tagline for the longest standing, most decorated full face helmet model in the SHOEI lineup, the RF. The process of improving is a constant evolution, and with a world class team of designers and engineers leading the charge, we pushed our resources and technologies to the brink, utilizing our state of the art wind tunnel facility, extensive array of proprietary materials, and the industrys most

DESIGN CONCEPT
The Evolution of Perfection is a fitting tagline for the longest-standing, most decorated full-face helmet model in the SHOEI lineup, the RF. The process of improving is a constant evolution, and with a world-class team of designers and engineers leading the charge, we pushed our resources and technologies to the brink, utilizing our state-of-the-art wind tunnel facility, extensive array of proprietary materials, and the industry’s most stringent quality assurance practices to develop the all-new RF-1400. SHOEI’s lightest and most compact SNELL-approved full-face helmet model, the RF-1400 has evolved the pursuit of perfection to the next level.

AERODYNAMICS & NOISE REDUCTION
Developed and refined in SHOEI’s state-of-the-art, in-house wind tunnel facility from the very beginning stages of life, the RF-1400 boasts impressive improvements in aerodynamic performance, including a 6% reduction in lift and a 4% reduction in drag (as compared to the RF-1200). Optimal shell aerodynamics not only improves the helmet’s ability to cut through air, it also contributes to a welcomed reduction in wind noise without blocking the road’s valuable informative sounds.

VENTILATION PERFORMANCE
Utilizing SHOEI’s in-house wind tunnel to help reveal the optimal balance between airflow and silence, SHOEI designers relocated the center/forehead vent, and also equipped it with an additional air intake hole, to help increase the volume of cooling air entering the helmet. Additionally, a new, enlarged exhaust outlet vent helps take better advantage of negative pressure suction at the rear of the helmet, yielding improved hot-air expulsion.

SHIELD SYSTEM
The all-new CWR-F2 shield system features improved visibility, functionality, and performance over its predecessor. The 2D “flat” outside surface combined with 3D technology inside offers an aggressive look with optimized visibility for a more natural view, Vortex Generators on the sides of the shield improve aerodynamics and reduce wind noise, and an all-new center locking mechanism helps to evenly distribute shield forces across both spring-loaded base plates.

SAFETY
Helmet functionality and performance are paramount to the overall riding and racing experience, but safety provides the critical foundation that a premium helmet is built upon. The RF-1400 features the SHOEI-exclusive Multi-Ply Matrix AIM+ shell, proprietary Dual-Layer/Multi-Density EPS liner, and the Emergency Quick Release System (E.Q.R.S.).

COMFORT
The RF-1400 is equipped with a fully removable, washable, adjustable, and replaceable 3D Max-Dry Interior System II that is capable of dissipating sweat 2x faster than traditional nylon interiors. Newly designed cheek pads feature more volume on the bottom for greater comfort and reduced wind noise, and the soft yet durable lower cheek pad fabric provides an extremely plush fit and feel.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 39183650371

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4.3 ★★★★★
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C
Verified Purchase
Charlie Horse 75
Cuba, US
★★★★★ 5
Great fit!
Size: Large, Color: Beige
Most comfy undies THANK YOU!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2026
L
Verified Purchase
Liz Newman
Charlottesville, US
★★★★★ 5
Comfortable and cool. Does not ride up.
Color: 01-multicolour (4-pack), Size: Medium
Extremely comfortable. Stays cool. Ample coverage. Quality material. They do not creep up. I ordered a medium which I generally take a size small. I have reordered and will reorder again to add more colors to my collection.
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Reviewed in the United States on May 18, 2026
J
Verified Purchase
Janola
Belleville, US
★★★★★ 5
Great Value for Cool Thigh Protection
Color: 02-multicolour (4-pack), Size: XX-Large
For the price, I'm not sure there are better women's boxer shortlettes anywhere. I've tried more expensive brands, and for quality and cooling, these are right up there. I have other bamboo viscose undies that still get gross when I get sweaty in the summer, but these, with the large mesh panel, really help wick away a lot of that moisture, keeping you feeling dryer and cooler. I find that the leg openings are comfortable and don't roll up! and the waist band doesn't dig, nor does it roll down. These do not provide any compression, and I wasn't looking for any. I just wanted some cooling, thigh protecting women's boxers that wouldn't break the bank. These are them! Bonus- I've washed them and put them in the dryer (following their instructions), and they haven't shrunk; they look about the same and are nice and soft.
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Reviewed in the United States on July 28, 2025
R
Verified Purchase
Reviewer
Lexington, US
★★★★★ 4
Great for the entire family but expensive
So far so good. The brand of boxers we had been buying changed their style and construction so we needed to find an alternative. These have held up well so far to multiple weeks of frequent washing and wearing from the entire family. We did size up from the usual 6/M we normally buy and ordered large to prevent the legs from rolling up which worked out great. Our daughter likes the length and how soft the fabric is for wearing under skirts and gym shorts and liners stay put without moving or leaking as another reviewer mentioned. Our son says they are comfortable and fit well being just supportive enough without being constrictive. We all agree that there seems to be not enough fabric in the back as they tend to be much tighter across the backside than the front and that also causes the waist band to ride lower in the back than the front. These have better seam placement than some brands we tried with no seam across the lady bits and no seam down the middle of the back side so they are more much comfortable but the cost is also much higher and that is why we're only giving it 4 stars. These will stay in the rotation until we find something cheaper that both us and the kids like.
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Reviewed in the United States on January 24, 2026
B
Verified Purchase
Brittany
Los Angeles, US
★★★★★ 5
Pregnant lady review! Soft, comfortable, cool.
Color: 03-multicolour (4-pack), Size: Large
So soft, comfortable and cool. I'm pregnant and I've gained weight in my legs. I love wearing dresses but my thighs were rubbing together too much. These are perfect to wear under dresses. I also wear them under my bibs at work and it keeps me from getting overheated but I don't have to worry about whether or not my underwear show since they just look like shorts. I wish these came in maternity. I just keep them below my belly. I'll be buying more for sure.
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Reviewed in the United States on April 8, 2026

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