Winter tire, showing tread pattern designed to compact snow in the gaps.
Zigzag sipes on tire tread
Snow tire with metal studs, which improve traction on icy surfaces.
Billy Boat siping a sprint car tire
Tire showing the ASTM 3PMSF (Three-Peak Mountain Snow Flake) symbol, denoting a qualifying snow tire, and a separate snow flake symbol, that recommends tire replacement with 4 mm of tread remaining
A Czech road sign Winter equipment, which mandates the use of snow tires
Russian studded tires warning sticker.
Vehicle in cold, dry, powder snow, which offers comparatively better traction than moist snow.
Vehicles in warm, moist, granular snow encounter decreased roadway traction.
Compaction of snow under an advancing snow tire, causing rolling resistance while passing through about {{convert|10|cm|in|sigfig=1}} of snow.
Compaction in about {{convert|5|cm|in|sigfig=1}} of snow left behind a snow tire, showing tread-snow interaction.

Additional siping, or thin slits in the rubber, that provide more biting edges and improve traction on wet or icy surfaces.

- Snow tire

Both Bridgestone and Michelin sell snow tires that are siped at the factory, while Saf-Tee Siping and Grooving sells machines that can sipe most standard vehicle tires.

- Siping (rubber)
Winter tire, showing tread pattern designed to compact snow in the gaps.

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