First Line Period 9" Boxer Briefs 3-Pack

First Line Period 9" Boxer Briefs 3-Pack - View 3

$76.38 ~~$114~~ In stock

The longest inseam period boxer on the market. These full coverage wonders are here to put your overnight pads out of business.

High rise fit, 9" inseam
Absorbs up to 4-5 regular tampons
Room for a backup liner or winged pad on your heaviest days
95% Cotton, 5% Spandex
Gusset: 89% Polyester, 11% Spandex
Inner Floating Gusset: 91% Polyester, 9% Spandex
PFA-free & OEKO-TEX® Certified
Machine wash & dryable just like our OG cotton undies
Not eligible for Love at First Wear

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Express Shipping · United States: $3.99

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.8 / 5 · 5 reviews)

Eva ★★★★★ Aug 22, 2026

Finally a period underwear that actually covers everything without feeling like I'm wearing a tent. The high rise waist stays put all night and the absorbency easily handled my heaviest sleep hours, so I've basically retired my backup pad.

Scarlett ★★★★★ Aug 20, 2026

I was skeptical about sleeping in boxer briefs but these actually hold up—I wore one through a full night with my usual routine and woke up with zero leaks. The high rise waistband sits comfortably without digging in, and the 9" inseam means zero ride-up or bunching. Twelve hours later, the fabric s

Eli ★★★★★ Aug 19, 2026

The 9-inch inseam is a game-changer—it actually stays put all night without riding up, and the high rise means zero digging in. I slept through my heaviest night without a single leak and didn't even need my usual backup pad. These just became my go-to for the whole week.