Adidas hyperfast 2 junior trainers the adidas hyperfast 2 junior trainers have been constructed with a breathable mesh fabric and a ortholite comfort foam insoles to protect your little ones feet on rough terrains whilst the shaped padded ankle collar and tongue and full front laced fastening offer a secure and comfortable fit these sporty childrens trainers are finished off with adidas branding for a great look that also offers instant brand recognition junior trainers laced fast