The Sensamo Allaround features a grooved-slick tread design and moderate extended side tread for increased sidewall protection The Sensamo Allaround also offers a APL reinforcement for improved puncture protection and a reflective sidewall for improved night visibility APL - Anti-Puncture Layer, features a respectable 0.7mm layer of rubber between the tread and the casing REF - Reflective sidewall striping or hotpatch to aid in low light visibility Standard 26x1.75 559 Wire Belted Bk/Bsk 75 705 22 APL/REF YesUPC/EAN/GTIN: 6933882515079