Spitfire Formula Four Lock-Ins Hellfire 99D Skateboard Wheels Shoe Accessories Absorbs 91% of impact energy

Absorbs 91% of impact energy in lab testing compared to 53% in other “performance” insoles (ASTM F 1614 -1999)

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The pant comes in a wide choice of fade-resistant colors with a 26" to 72" waist sizing variance

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Spitfire Formula Four Lock-Ins Hellfire 99D Skateboard Wheels Shoe Accessories Absorbs 91% of impact energySpitfire Formula Four 99DuroLock Ins Skateboard Wheels An asymmetrical shape giving you the outside edge of a conical wheel but flat inside cut to lick in on grinds. ASYMMETRICAL SHAPE CONICAL OUTSIDE FLAT INSIDE FOR LOCKING IN GRINDS MORE SPEED AND CONTROL ON ALL SURFACES UNMATCHED FLATSPOT RESISTANCE SMOOTH ANTI STICK SLIDE HIGH REBOUND COMPOUND 100% TRUE PERFORMANCE URETHANE