Spenco Polysorb UltraLite Air Grid Insoles (Style #2000044) in a unisex size 1 (Youth Shoe Size 5Y-6Y). Insoles are black and blue in color. Ultra-soft memory foam comfort. Treat his feet to tender loving care with these air grid insoles from Spenco that help absorb impact while providing orthotic arch support. From Spenco. Air Grid energy-return foam. Total Support technology with flexible orthotic arch support and deep heel cup. Three-pod modulation system with variable density pods that help absorb impact. Low-friction top cloth.