The Accel Slim has rapidly become the most requested shoe for the new generation of skaters. As a refined version of the Accel OG, it is a perfect all around shoe with excellent boardfeel, durability, and comfort. Try some and take your skating to the next level. Tongue Straps. STI Energy Foam Footbed. Minimal Tongue and Collar Padding. Breathable Tongue Mesh. 400 NBS Rubber Cupsole Construction. Now With STI Energy Insole. Suede/Synthetic.