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Ships within 48 hours · Estimated delivery Jul 25 - Jul 30
The lumbar comfort zone features extra foam padding to support your lower back
Air Strike direct course ventilation system
Universal fitment attaches to metal
Long life - very durable
Adjustable side waist cinches for a custom fit
ALPINESTARS SM3 JETTSON GRAY/PUR/BLK HELMET Accessory size:L The lumbar comfort zone featuresEngineered for MX, Enduro, and off road riding, the SM3 Helmet integrates advanced technologies and innovations designed to enhance ease of use, comfort, and impact protection. Advanced Shell Construction: This helmet features a thermo injected shell incorporating a special polymer blend enhanced by varying degrees of thickness that is engineered to deliver the optimal combination of impact protection and lightweight. The SM3 medium weighs 1430g (ECE)