Garmin
Garmin Instinct 2S Band Size & Fitting
The Garmin Instinct 2S takes 20mm bands: Garmin's own Instinct 2S bands, or QuickFit 20 bands. Bands for the larger Instinct 2 are 22mm and won't fit.
Lug fittingInstinct 2S or QuickFit 20
| Strap fitting | Instinct 2S or QuickFit 20 |
|---|---|
| Case size | 40 mm |
| Lug-to-lug | — |
| Thickness | 13.3 mm |
Which model do you have?
Similar-looking models can take different bands. Your model and case size are on the box, your receipt or the watch's settings.
| Model | Case | Band |
|---|---|---|
| Instinct 2S / 2S Solar | 40mm | Instinct 2S or QuickFit 20 |
| Instinct 2 / 2 Solar | 45mm | Instinct 2 or QuickFit 22 |
Strap styles that fit
- Brand / OEM strapMade for this exact model.
- Adapter + standard strapBuy a model-specific adapter first.
- NATO / pass-throughNo standard lugs to pass through.
- 2-piece leatherNeeds an adapter to fit.
- Rubber / FKMOEM or adapter only.
- Metal braceletModel-specific bracelet only.
▲ Takes 20mm Instinct 2S bands or QuickFit 20 bands. The larger Instinct 2 takes QuickFit 22.
Fit & sizing notes for the Instinct 2S
- What to buy: straps made for the Instinct 2S, or an adapter kit for this exact model. A normal-width strap won't attach on its own. Our integrated & smartwatch strap guide explains the options.
- Adapters stick out past the case, so the watch wears longer; check the adapter's output width before buying straps for it.
- Every Garmin model: see our Garmin band size guide for which bands fit each one.
- Strap thickness: at 13.3mm thick it's a chunky case: thicker padded leather, rubber/FKM or a heavier NATO balance it visually; very thin straps can look undersized.
Sources & corrections
Fitting checked against: StrapsCo: Instinct 2S strap size; Fleet Feet: Garmin QuickFit 20 band (compatibility list); Bike-Components: Garmin 20mm band for Instinct 2S. Last checked 26 October 2026.
Spec wrong for your watch? Send us a correction with your reference number.
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Garmin Instinct 2S — band questions
What strap size does the Instinct 2S take?
The Garmin Instinct 2S takes 20mm bands: Garmin's own Instinct 2S bands, or QuickFit 20 bands. Bands for the larger Instinct 2 are 22mm and won't fit.
Can I put a normal NATO or leather strap on it?
Not directly. A standard strap won't attach on its own. Where a model-specific adapter exists, fit that first and then a normal strap of the adapter's width.
Where can I buy straps that fit the Instinct 2S?
Search for straps and adapters made specifically for the Garmin Instinct 2S; generic sizes won't clip in without one.