PU upper; padded tongue and collar for optimal comfort and protection. Full lace closure. Durable rubber sole with abrasion resistant brake pad. Low Profile Wheels with ABEC 5 Bearings. Padded Tongue and Collar provide great security and Comfort. Rubber Outsole gives Extra Durability. Low-Profile Rubber Wheel with ABEC 5 Wheel Bearings provides a Fantastic Roll.