EVS Celtek Kidney Belt Youth (Black) Features: The new standard of lower spine protection & support. Reinforced lower spine panel. Dual pull Velcro adjustment system. Channeled hex-foam for maximum ventilation & support. Ergonomically designed: providing maximum support & mobility. High density TPR panel for impact resistance. Youth: 24 - 28", Small: 28 - 32", Medium: 32 - 36", Large: 36 - 38, X-Large: 38 - 40, XX-Large: 40 - 42