World Karate Federation approved foot protectors. The brilliant new PU3G innovation - a material that looks, feels and performs like leather. Extremely strong, 3G can continually absorb perspiration while remaining supple and impervious to cracking. I Protech is exclusive to Adidas, this technology features an intelligent mould structure with additional integrated gel that keeps you ultra comfortable whilst not compromising on protection. Elasticated under strap and adjustable round the heel.