Padded Tongue and Collar that provide great security and Comfort. Rubber Outsole that gives Extra Durability. Low-Profile Rubber Wheel with ABEC 5 Wheel Bearings that Provides a Fantastic Roll. 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.