Profile Design - HSF/Aeroflow

Marsoni

M251S

$139.95

Get it in 3 business days with 1 day shipping. Friday, May 29

Profile Design - HSF/AeroflowPROFILE DESIGN HSF AEROFLOW HYDRATION SYSTEM The Aeroflow bottles have been designed with disc brake tri bikes in mind. By moving the bottle close to the frame we can reduce the impact on steering when having a heavy bottle on the bars. The Aeroflow is available in 3 sizes, intended to be paired with the Tri Stem. The small bottle works best with the 80mm Tri Stem, but can be used with the 105mm. The medium and large bottles only work with the 105mm

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Just what the man needed. Very good contoured support. No jostling. Not a loose potato sack after an hour of wearing this. Highly recommended. Compare? Hanes, for example. Even the Jockey brand. Put those on, they're tight fitting, seemingly supportive. But they're not. They aren't contoured to fit. That's the whole idea. Contoured, to fit. And stay fitted. The trunk type, just like this wirarpa, and in half an hour it's loose loose loose fitting. A potato sack. No support. No support at all. That's not what a trunk brief is supposed to do. It's supposed to support, give comfort and confidence, stay in place feeling. Assuredness. And this wirarpa Mens Trunk does the job ! Wash and wear and wash and wear. Stays in shape, never gets stretched out and loose, for the fit.

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Reviewed in the United States on May 29, 2024

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Morstead

Lexington, US

★★★★★ 5

Comfortable & well-fitting, but some differences in stiffness between batches

Size: Medium, Color: Black/Deep Blue/Deep Grey/Heather Grey

I've basically been exclusively buying these since I've discovered them. Super-comfortable and maintain their shape for a long time, but I've noticed from buying it multiple times that sometimes the pouch area has stiffer texture and more support than other times (when it's loose & stretchy like the rest of it). I wish I could specify receiving the more-supported ones because they tend to produce less....how to say, knocking the boys around.

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Reviewed in the United States on March 22, 2026

Verified Purchase

EclecticJay

Bozeman, US

★★★★★ 5

Comfort and softness

Size: 3X-Large, Color: Black/Navy/Dark Grey/Red

True to size; they are comfortable, good quality, and really soft.

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Reviewed in the United States on January 3, 2026