Introducing the Fall 2016 Ken Block collection. Two DC Youth Styles-Tonik and Rebound-feature Ken Blocks 2016 custom livery artwork releasing in early 2016. Theres something for everyone in Ken Blocks newest collection. A mix of premium materials. Stitch in a contrasting color. Toecap overlay for extra durability. Specialty Ken Block livery artwork sockliner. Abrasion-resistant sticky rubber outsole. Material: Leather, Rubber.