A durable carbon black mixture, a well regarded puncture protection system & Dura Skin-anti-cut fabric turn the Gator Skin, formely known as Ultra Gator Skin, into a real long distance runner. Intended for high mileage winter training for serious cyclists. High mileage, durable & fast rolling tyre Dura Skin polyamide mesh layer fabric on sidewalls protects the casing against cuts, punctures & abrasion. 180 thread per inch casing with Kevlar-reinforced layer directly under the tread, resists punctures & adds to longevity of tyre Slick tread for exceptional grip in wet & dry conditions Supple handling & low rolling resistance Weight: 220g (700x 23mm