---
title: "Products — period underwear for women - Flapen"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/period-underwear-for-women/products"
last_updated: "2026-07-21T06:22:01.585Z"
locale: en
meta:
  description: "period underwear for women clears our launch bar: a $2.5M/yr market growing +6.6% this quarter with returns at 3.0%. Data updated Jul 2026."
  "og:description": "period underwear for women clears our launch bar: a $2.5M/yr market growing +6.6% this quarter with returns at 3.0%. Data updated Jul 2026."
  "og:title": "Products — period underwear for women - Flapen"
---

# **period underwear for women**

**Launch it**

A $2.5M/yr market growing +6.6% this quarter with returns at 3.0% — clears our launch bar.

Market size 95Growth 33Conversion 17Competition 89Returns 50Price range 85Avg price 95Brand share 75Review moat 25Quality gap 77

**Market size**

**Incredible****$2.5M**

$2.5M/yr · 8.2M searches

**Avg price**

**Incredible****$22.83**

avg listing price — sweet spot $15–$100

**Competition**

**Great****26%**

top-5 click share — an open shelf

**Price range**

**Great****$9.08–$54.90**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Quality gap**

**Great****4.3★**

avg incumbent rating — lower means beatable quality

**Brand share**

**Great****60%**

top-5 brand share — no brand owns this niche

**Returns**

**Okay****3.0%**

return rate — above 6% kills the launch gate

**Growth**

**Okay****+6.6%**

90-day search growth — must beat 0% to launch

**Review moat**

**Bad****4,614.46**

avg incumbent reviews — the moat a new listing must climb

**Conversion**

**Bad****1.4%**

search→purchase rate — share of searches ending in a sale