Magnum Underwear

Magnum Underwear Patent pending underwear developed by a former NASA engineer. Scientifically engineered for maximum comfort. Size matters and so should your underwear.

Masculine, sleek and most of all—comfortable. The fabric is a cotton and spandex blend with a textured and build to last feel. It’s professional, remarkably supportive, and breathes well—without sacrificing personality.

Magnum Swimwear
03/30/2025

Magnum Swimwear

Magnum Underwear
03/18/2024

Magnum Underwear

Magnum Swimwear Collection SS2024
10/25/2023

Magnum Swimwear Collection SS2024

10/25/2023
Magnum Underwear Jockstrap SeriesPhoto: Ean WilliamsModel: Pietro Giambanco
10/17/2023

Magnum Underwear
Jockstrap Series

Photo: Ean Williams
Model: Pietro Giambanco

I love showing my two brands together Magnum Underwear && Corjor International .
10/17/2023

I love showing my two brands together Magnum Underwear && Corjor International .

Magnum Swimwear SS 2024
10/15/2023

Magnum Swimwear SS 2024

08/05/2023

- the collection.coming soon. Available in neoprene, and vegan leather.

Signature pocket briefs on sale
02/16/2023

Signature pocket briefs on sale

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Washington D.C., DC

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