Redefining the perfect All-Weather performance tyre, the Grand Prix 4 Season delivers reliable security & sure-footed grip, whatever the conditions Ultra-fine polyamide casing for supple all day performance Max Grip Silica tread compound is specifically optimised for wet weather grip even in low temperatures Dura Skin polyamide mesh layer fabric on sidewalls protects the casing against cuts, punctures & abrasion whilst only adding 10 grams per tyre Double Vectran breaker belt under the tread offers unbeatable levels of puncture protection With the formidable combination of Dura Skin & state of the art Vectran, the cut/puncture resistance of this winter tyre is raised to the highest possible level, without compromising on weight, grip, feedback & feel Constructed from 6 plies, totalling 330 tpi Weight: 230 grams for the 700 x 25C version