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GRK5 Racing Short Bumper Ver 2 [Shibata] R31S121

Marsoni M251S
Sale price$315.00
Pay 4 payments of $78.75 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
GRK5 Racing Short Bumper Ver 2 [Shibata] R31S121Product Description Our highly popular racing short bumper, designed specifically for the GRK5 nose cone, has been updated to the Ver. 2 model! This new product features a specially made carbon fiber material, custom made at a factory in Japan. It has been redesigned to be lighter and more compact than previous models. *This is a dedicated model that is only compatible with the aluminum nose cone of the GRK5 GRK5 R kit model.
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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
4.5 ★★★★★
Based on 2142 reviews
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Ally Cat
Charlottesville, US
★★★★★ 5
Best Boxer Briefs for Women!
Color: 09-multicolour (4-pack), Size: Large
I rarely give 5⭐️’s but these deserve it! Hands down, the most comfortable material, stitching, waistband, moisture wicking and overall comfort. They sit right beneath my bellybutton, they wash and dry well and they’re sturdy. I have tried 3 styles and these are the best.
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Reviewed in the United States on February 7, 2026
L
Verified Purchase
Lisa Carlson
Dallas, US
★★★★★ 5
Comfortable
Size: Small, Color: B004
Great Value , Sizing is as marked. Great color and fit.
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Reviewed in the United States on May 23, 2026
K
Verified Purchase
Kim Mayes
Lake Worth, US
★★★★★ 5
Perfect for us BBWs
Size: 3X-Large, Color: B002
I love the feel of these underwear. They are true to fit as well. I am 340lbs and bought size 3xl. They are comfortable and not tight in the legs.
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Reviewed in the United States on April 5, 2026
T
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Thrifty Tiffy
New York, US
★★★★★ 4
Nice for the price
Size: Medium, Color: B004
I really like the LALESTE Women’s Boyshort Underwear overall! They’re super comfortable, soft, and have great full coverage—perfect for everyday wear. The material feels stretchy and smooth, and they stay in place without digging in or riding up. Definitely a solid option if you like a more covered, secure fit. My only downside is that they are a bit too high-rise for my personal preference. They come up higher than I expected, so if you prefer a lower-rise fit, just keep that in mind. Other than that, the quality and comfort are great, and I still find myself reaching for them often!
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Reviewed in the United States on March 23, 2026
A
Verified Purchase
Ash
Whiting, US
★★★★★ 5
Love them
Size: X-Large, Color: B004
Love them! Super comfortable, love the design and stretchiness!
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Reviewed in the United States on May 20, 2026

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