Boys trainers: Skechers Flex-Glow 4 Jnr in black and red. Man-made upper and lining, footbed inspired for everyday comfort. Get ready to light up any room with these stylish and comfortable trainers. Rev up their day with the bright fun of Skechers S-Lights®: Flex-Glow Ultra. This colorful sneaker features an ombre mesh upper with synthetic overlays, fixed stretch laces and Adaptive Closure, plus a tech-pieced light-up midsole.