Tire tread comprising a rubber composition, the said composition comprising at least one diene elastomer, one reinforcing filler and one plasticizing system, characterized in that the said plasticizing system comprises, in combination:a plasticizing hydrocarbon resin, the glass transition temperature of which is greater than 0° C.; anda carboxylic acid diester corresponding to the formula (I):R—OOC—(CH2)n—COO—R in which n is included within a range from 1 to 15 and the R radicals, which are identical or different, represent a hydrocarbon radical.