these ce-certified gp4 19 motorcycle trainers have both a simple and sporty look. made of suede and 600d nylon, they are fitted with a breathable, waterproof membrane. thanks to their anti-slip soles, heel and toes reinforcement and gear shifter protection, gp4 19s will give you a safer ride. as far as practicality goes, they boast a quick lacing system and an ankle strap for a better fit.