On icy ground condition, zigzag sipes could enhance shoveling ability.

Tri-dimensional sipe design is used to enhance block rigidity and maneuverability on icy ground.

The vertical shoulder sipe design is settled to prevent from cornering centrifugal force to reinforce maneuverability.

Stair-stepping shoulder design is to enhance shoveling ability.

Square-block pattern design is to enhance initial steering ability.

Void ratio design at 28% is to enhance the maneuverability on icy ground.

On icy ground condition, zigzag sipes could enhance shoveling ability.

Tri-dimensional sipe design is used to enhance block rigidity and maneuverability on icy ground.

The vertical shoulder sipe design is settled to prevent from cornering centrifugal force to reinforce maneuverability.

Stair-stepping shoulder design is to enhance shoveling ability.

Square-block pattern design is to enhance initial steering ability.

Void ratio design at 28% is to enhance the maneuverability on icy ground.