Abstract: Described is a mat (1) comprising a supporting layer (2); a plurality of filaments (3) anchored to the layer (2); at least one compacted zone (5) made on the layer (2) wherein the filaments (3) are compacted on the layer (2) and bonded to each other.

Abstract: Antiskid cover (1) for tires comprising a ring-shaped band (2) exhibiting an internal surface (5) of contact with the tire (P), an external surface (6) from which an antiskid tread (3) is made to protrude, and two lateral portions (7) defining two circular ring-shaped crowns intended to cover, at least partially, the sides of tire (P). The cover (1) further comprises a device (8) for fixing the cover (1) to the tire and applied to at least a lateral portion (7). Each side portion (7) comprises at least one stiffening element (9) opposite to the fixing element (8).