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