The Classic M6 Modular Armband fits the Pixel 3 with no case or a thin case and is the best armband choice if you want the least amount of bulk on your arm while running or working out.
The Classic M6 Modular Pixel 3 Armband fits cases up to 150 x 75 x 10 mm.
If your case is thick (i.e. Otterbox, Lifeproof) and you prefer to keep the case on during your workouts, we recommend the Velocity V6 Armband or the Entropy E6 Modular Armband.
Strap Size Arm Size (upper arm circumference)
Small 7 - 9.5 inches (20 - 25 cm) - For THIN arms or wrists only
Medium 10 - 14 inches (25 - 36 cm) - Fits most arms/most common size
Large 13 - 18 inches (33 - 46 cm) - Fits large arms or over clothing
Extender + 4 inches (10 cm)
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The Entropy E6 Pixel 3 Running Armband fits most protective cases, so there is no...