Quarter Packages: ELITE SYNTHETIC UPPER Lightweight structure for enhanced forward flexion. Liner: BRUSHED NYLON FABRIC Lightweight and comfort. Tongue: 2-PIECE FELT TONGUE For comfort and durability. FootBed: CCM FOOTBED Designed for comfort and support. Cowling: PROLITE GS WITH PLASTIC IMPACT INSERTS Light weight with increased recovery angle for quicker recovery to the set position. Runner: PROLITE G STAINLESS STEEL Quality stainless for long term performance.