eS - K6 (Black/Charcoal) - Men's: The best part - Eric Kostons 6th shoe. Leather and suede upper materials. Stitched ollie area and toe cap. Padded tonge and collar for comfort. Lightweight and supportive strobel construction. Full length internal EVA midsole. System G2 heel cushioning system - designed exclusively for skateboarding. Unlike EVA or other shock absorption material like air bags, System G2 cushions hard landings without giving up board feel and control. The new STI technology is also more responsive and last longer than anything else. Ststem G2 is the most advanced skate footwear technolgy available. Once you skate on it, youll also know its the best. EVA footbed with removable arch support. 400 NBS rubber outsole. Pick up a pair before they sell out!