![vintage boxer shorts, yellow shorts, vintage Levi's 501 xx](http://day-one-underwear.com/cdn/shop/files/Vintage-Boxer-Shorts-Levis-501xx.jpg?v=1673786159&width=3840)
![red mens underwear, blue boxers, with vintage levis 501xx. The best loungewear, lounge shorts.](http://day-one-underwear.com/cdn/shop/files/Vintage-Boxer-Shorts-Vintage-Levis-501xx-Loungewear.jpg?v=1673785896&width=3840)
![red mens underwear, lounge shorts. men's pajama shorts. vintage lee painter pants. heritage style.](http://day-one-underwear.com/cdn/shop/files/Vintage-Boxer-Shorts-Vintage-Lee-Painter-Pilgrim.jpg?v=1673785896&width=3840)
![mens underwear shorts, the best mens fashion underwear for vintage style fashion. vintage workwear style. heritage style. us military jungle fatigue pants.](http://day-one-underwear.com/cdn/shop/files/Vintage-Boxer-Shorts-Vintage-Workwear-Jungle-Fatigue-USArmy.jpg?v=1673785896&width=3840)
![mens boxer shorts with vintage levis 501xx and vintage converse all star. loungewear.](http://day-one-underwear.com/cdn/shop/files/Vintage-Boxer-Shorts-Vintage-Converse-Levis-501.jpg?v=1673785896&width=3840)
WEAR THE AUTHENTIC.
After collecting tons of vintage, we found the best underwear to make your style perfect.
Check out what all the stylish men in America used to wear back in the day.
Handmade in Japan, by an underwear factory established in the 1950s.
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Authentic
1960's-1970's Vintage Style
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Not Bulky
Tapered legs eliminate bulk.
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Comfortable
Deluxe quality 100% cotton fabric.
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Classic Waistband
Reproduced Vintage Waistband
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Original Package
Each packed by hand.
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Handmade in Japan
By a factory founded in 1950s.
![Vintage Boxer Shorts, Vintage Shorts, Yellow Mens Underwear, Mens Shorts](http://day-one-underwear.com/cdn/shop/files/Yellow_Boxer_Shorts_Vintage_Boxer_Shorts_20230704.jpg?v=1688436667&width=1500)
Boxer Shorts | Long-Cut Tapered
- Authentic Boxer Shorts
- The Best Loungewear, Lounge Shorts.
- Tapered legs eliminate bulk.
- Action side vents for easy movement and vintage underwear look.
- Back pocket for stylish look.
- Button-fly for a secure fit.
- Special soft-cushioned waistband.
- 100% Cotton.
- Handmade in Japan
6 Colorways
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Red/Navy
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Orange/Navy
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Yellow/Navy
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L.Blue/Navy
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Green/White
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Blue/White
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![vintage boxer shorts with original package. jungle fatigue.](http://day-one-underwear.com/cdn/shop/files/Day-One-Underwear_Vintage_Boxer_Shorts-new.jpg?v=1673781130&width=3840)