https://www.itogs.com/tags/hollowfibre/Recent content in Hollowfibre on Itogs.comHugo -- gohugo.ioenItogs.comMon, 24 Aug 2026 00:00:00 +0000https://www.itogs.com/post/down-vs-synthetic-duvet-which-tog-feels-warmer/Mon, 24 Aug 2026 00:00:00 +0000https://www.itogs.com/post/down-vs-synthetic-duvet-which-tog-feels-warmer/ <h2 id="the-tog-number-doesnt-tell-the-whole-story">The Tog Number Doesn't Tell the Whole Story</h2> <p>Picking a duvet by tog number alone works right up until two shoppers buy the same 13.5 tog rating in different fills and end up with two noticeably different beds. One is light enough to barely register under the arms; the other presses down with real, settled weight. Both are rated identically for warmth, and both shoppers are right — because tog measures thermal resistance, not the two dozen other things a fill does once it's actually spread across a mattress.</p>