---
product_id: 684373202
title: "THINXUltra-Soft Period Underwear, Overnight Boy-Shorts Leakproof Underwear for Women, Holds Up to 12 Regular Tampons, FSA HSA Approved Period Underwear for Women, Reusable & Controls Odor, Black, S"
brand: "thinx"
price: "₩176476"
currency: KRW
in_stock: true
url: https://www.desertcart.kr/products/684373202-thinxultra-soft-period-underwear-overnight-boy-shorts-leakproof-underwear-women
store_origin: KR
region: South Korea
---

# Leakproof up to 12 hours Made with SUPIMA Cotton & TENCEL Modal Holds up to 12 tampons THINXUltra-Soft Period Underwear, Overnight Boy-Shorts Leakproof Underwear for Women, Holds Up to 12 Regular Tampons, FSA HSA Approved Period Underwear for Women, Reusable & Controls Odor, Black, S

**Brand:** thinx
**Price:** ₩176476
**Availability:** ✅ In Stock

## Summary

> 🩲 Leakproof luxury that keeps you moving—period.

## Quick Answers

- **What is this?** THINXUltra-Soft Period Underwear, Overnight Boy-Shorts Leakproof Underwear for Women, Holds Up to 12 Regular Tampons, FSA HSA Approved Period Underwear for Women, Reusable & Controls Odor, Black, S by thinx
- **How much does it cost?** ₩176476 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/684373202-thinxultra-soft-period-underwear-overnight-boy-shorts-leakproof-underwear-women)

## Best For

- thinx enthusiasts

## Why This Product

- Trusted thinx brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **High-Capacity Absorbency:** Absorbs the equivalent of 12 regular tampons or 3 pads, perfect for heavy flow days and nights.
- • **FSA/HSA Eligible & Reusable:** Smart investment in your health and wallet—washable, reusable, and approved for flexible spending accounts.
- • **Ultimate Overnight Protection:** Stay confidently leak-free for up to 12 hours—sleep, work, or play without worry.
- • **Luxuriously Soft & Sustainable:** Crafted from buttery-soft SUPIMA Cotton and TENCEL Modal for all-day comfort and eco-conscious style.
- • **Odor Control & Moisture Wicking:** Stay fresh and dry with advanced moisture-wicking fabric and built-in odor control technology.

## Overview

Thinx Ultra-Soft Period Underwear combines innovative leakproof technology with premium SUPIMA Cotton and TENCEL Modal fabric to deliver up to 12 hours of reliable protection and absorbency equivalent to 12 tampons. Designed for comfort, odor control, and sustainability, these reusable boy shorts are FSA/HSA eligible and perfect for millennial professionals seeking a discreet, eco-friendly period solution.

## Description

THINXUltra-Soft Period Underwear, Overnight Boy-Shorts Leakproof Underwear for Women, Holds Up to 12 Regular Tampons, FSA HSA Approved Period Underwear for Women, Reusable & Controls Odor, Black, S

## Features

- Boy Shorts Period Underwear for Women: Thinx Ultra Soft menstrual underwear for women features the main fabric made with buttery-soft Cotton – a luxurious blend of SUPIMA Cotton and TENCEL Modal. Perfect for feeling “extra” cozy on your period
- Overnight Absorbency: Our womens period underwear holds up to 12 regular tampons' worth of flow. The super absorbent core layer can handle up to 3 regular pads' flow and helps provide reliable protection throughout the day or night
- Leakproof for up to 12 Hours: Thinx period underwear, featuring the LeakSafe barrier, helps provide leak protection for up to 12 hours. Made with comfy, flexible fabric, they look and feel like regular underwear while offering built-in leak protection
- Fresh & Dry: Thinx moisture wicking underwear for women controls odors and helps wick moisture for a fresh and dry feeling. They are FSA/HSA-eligible and can be worn as a total replacement for disposable period products or as a backup to tampons or menstrual cups
- We're Thinx, better known as our family of brands, Thinx, Thinx Teens, and Thinx for All Leaks. Our vision is a healthy world through sustainable solutions to menstruation and incontinence. Since 2013, we've been on a mission to be an innovative leader at creating comfortable and inclusive products for all life's leaks, while sparking conversation and building community along the way

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Units | 1.00 count |
| Brand | THINX |
| Age Range Description | Adult |

## Product Details

- **Brand:** THINX
- **Number of Items:** 1
- **Colour:** Black
- **Incontinence protector type:** Adult Diaper
- **Age range (description):** Adult

## Images

![THINXUltra-Soft Period Underwear, Overnight Boy-Shorts Leakproof Underwear for Women, Holds Up to 12 Regular Tampons, FSA HSA Approved Period Underwear for Women, Reusable & Controls Odor, Black, S - Image 1](https://m.media-amazon.com/images/I/71oVcKH7ryL.jpg)
![THINXUltra-Soft Period Underwear, Overnight Boy-Shorts Leakproof Underwear for Women, Holds Up to 12 Regular Tampons, FSA HSA Approved Period Underwear for Women, Reusable & Controls Odor, Black, S - Image 2](https://m.media-amazon.com/images/I/81dt7CaDipL.jpg)
![THINXUltra-Soft Period Underwear, Overnight Boy-Shorts Leakproof Underwear for Women, Holds Up to 12 Regular Tampons, FSA HSA Approved Period Underwear for Women, Reusable & Controls Odor, Black, S - Image 3](https://m.media-amazon.com/images/I/71TJOemAzQL.jpg)
![THINXUltra-Soft Period Underwear, Overnight Boy-Shorts Leakproof Underwear for Women, Holds Up to 12 Regular Tampons, FSA HSA Approved Period Underwear for Women, Reusable & Controls Odor, Black, S - Image 4](https://m.media-amazon.com/images/I/81aX7lrHeZL.jpg)
![THINXUltra-Soft Period Underwear, Overnight Boy-Shorts Leakproof Underwear for Women, Holds Up to 12 Regular Tampons, FSA HSA Approved Period Underwear for Women, Reusable & Controls Odor, Black, S - Image 5](https://m.media-amazon.com/images/I/71vBAsoeRDL.jpg)

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.kr/products/684373202-thinxultra-soft-period-underwear-overnight-boy-shorts-leakproof-underwear-women](https://www.desertcart.kr/products/684373202-thinxultra-soft-period-underwear-overnight-boy-shorts-leakproof-underwear-women)

---

*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-01-25*