---
title: "Trend — period swimwear - Flapen"
canonical_url: "https://flapen.com/research/uk/fashion/period-swimwear/trend"
last_updated: "2026-07-31T16:01:32.368Z"
locale: en
meta:
  description: "Niche score 67/100 · £178K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 67/100 · £178K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Trend — period swimwear - Flapen"
---

# **period swimwear**

**Worth a look**

Shows demand growing +171.4% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 36Growth 97Conversion 19Competition 91Returns 45Price range 77Avg price 77Brand share 79Review moat 75Quality gap 73

**Growth**

**Incredible****+171.4%**

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

**Competition**

**Great****24%**

top-5 click share — an open shelf

**Brand share**

**Great****56%**

top-5 brand share — no brand owns this niche

**Avg price**

**Great****£15.80**

avg listing price — sweet spot $15–$100

**Price range**

**Great****£5.66–£46.42**

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

**Review moat**

**Good****503.17**

avg incumbent reviews — the moat a new listing must climb

**Quality gap**

**Good****4.3★**

avg incumbent rating — lower means beatable quality

**Returns**

**Okay****3.4%**

return rate — above 5% kills the launch gate

**Market size**

**Okay****£178K**

£178K/yr · 750K searches

**Conversion**

**Bad****1.5%**

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

**Signals**[** Trending**](https://flapen.com/research/niches?market=uk&signal=trending "Search growth > 100% (90d)") [** No Dominant Brand**](https://flapen.com/research/niches?market=uk&signal=no_dominant_brand "Top brand's click share < 20%")