for a Heelys size chart. Speed never looked this smooth! ; Breathable mesh upper with synthetic leather overlays delivers durability. Full lace-up closure for a snug, adjustable fit. Heelys Wave Comfort Heel Bracket provides comfort and stability. Lo-top silhouette with a wide skate body. Removable foam sockliner with EVA heel pad for added cushioning. Ultralightweight EVA midsole maximizes speed potential. Abrasion-resistant brake pad. ABEC 1 Bearings/ FATS low profile wheel.