shell material: Polyether-EXTRA SOFT cuff material: Polyether- EXTRA SOFT cuff profile: W’s/Jr last width: N (narrow) flex index: 100 liner: Racing Fit Low Profile PULL -UP foot bed: Racing buckles: 4 Micro Alu + 2 servo-lock on cuff (screwed) velcro strap: 35 mm rear Spoiler: Quick Set heel height: 43 mm