Sparco Rib Pro K-4 Rib Protector Color_Grey the jacket features 360-degree arm

the jacket features 360-degree arm gussets and a textured fire-retardant outer that is more durable and provides an attractive matte finish

lightweight composite material

Coolshirt's Pro Air and Water System includes everything you need to enjoy lower core temperatures - just add your favorite cooling shirt and forced-air compatible helmet

With both side and bottom mounting options

the Evo 2 has a taller back

Sparco Rib Pro K-4 Rib Protector Color_Grey the jacket features 360-degree armThe Sparco Rib Pro K 4 adds protection and padding without bulk, through the use of Sparco Impact Technology, a 4mm thick EPDM material mated to a 6mm PU foam. This combination equally protects against high energy impacts and provides vibration dampening. A thermoplastic shell is then applied to this material to provide increased impact protection. Special cutouts greatly help increase breathability, while rubber edging on the shell helps reduce wear