Directional tread with smooth center section and micro-knurled shoulders for a quiet running tire with low rolling resistance perfect for road and trekking useK-Guard belted offers entry level puncture protection against thorns and road debrisTwin Skin - An additional rubber coating on the side protects against cuts and allows for uniform coloringKGRD - Layer from natural rubber, reinforced with Kevlar® fibres. The protection standard for every tire from the Active LineGRN - A rubber compound made of renewable and recycled raw materialsStandard16x1.75305WireBeltedBk/Bsk6539550KGRD/GRNNoUPC/EAN/GTIN: 4026495811927