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What does TTS mean in second-hand shopping?

True to Size (TTS) is a term used to describe how accurately a garment fits compared to standard sizing. When a seller says an item is TTS, it means the piece fits as expected for the size on the label. It is neither smaller nor larger than typical sizing for that category or brand.


TTS is especially helpful when shopping second-hand or vintage online where you cannot try items on before buying.


True to Size Meaning


True to Size (TTS) means: a garment fits as you would normally expect for that size, without needing to size up or down.


For example, if you usually wear a UK 10 and a seller describes a jacket as “TTS UK 10,” it should fit similarly to your other UK 10 pieces.


Why True to Size Matters in Second-Hand Shopping


Sizing varies widely across brands, eras and materials. TTS helps buyers make more accurate decisions when purchasing pre-loved clothing.


It is particularly important because:

  • You cannot try items on: Online marketplaces require trust in seller descriptions.

  • Vintage sizing differs: Older pieces often run smaller than current high street sizing.

  • International sizes vary: A US 6 is not the same as a UK 10, and European sizes differ again.

  • Fabrics fit differently: Stretchy fabrics, tailored items and knitwear all fit in unique ways.


Knowing whether something is TTS helps avoid returns, disappointment or ill-fitting purchases.


When Sellers Use the TTS Label


Sellers might describe items as:

  • TTS for the brand: Meaning it fits like other items from that specific brand.

  • TTS for vintage: Meaning it fits like a typical vintage item in that size.

  • TTS for modern sizing: Meaning it aligns with current high street measurements.


These clarifications help buyers interpret sizing more accurately.


Examples of TTS in Fashion


Here are some examples of how TTS appears in second-hand listings:

  • "TTS UK 10, fits like modern high street sizing" - Great for everyday shoppers.

  • "TTS for vintage, more fitted through the waist" - Vintage lovers know what to expect.

  • "TTS with slight stretch, comfortable fit" - Useful for knitwear or stretchy fabrics.

  • "TTS in shoulders and chest, relaxed fit overall" - Helpful for jackets and outerwear.


These details give buyers a clearer picture of how the garment will fit.


True to Size vs Runs Small vs Runs Large


These terms help clarify how a piece fits compared to standard sizing:


True to Size (TTS)

Fits as expected. No need to size up or down.


Runs Small

Fits smaller than expected. Buyers may need to choose a larger size.


Runs Large

Fits bigger than expected. Buyers may need a smaller size.


These descriptions are essential for second-hand and online shoppers.


Why Measurements Still Matter


Even when an item is listed as TTS, it is important to check measurements, especially when shopping second-hand. Factors that influence fit include:

  • era (vintage sizing may run tight)

  • brand-specific sizing charts

  • fabric stretch

  • tailoring and cut

  • shrinkage over time

  • personal preferences for fit


Measurements help buyers avoid surprises and choose pieces that match their body shape and comfort.


Related Terms



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