Advanced P.I.M. (Premium Integrated Matrix) -Carbon Fiber, Aramid, Fiberglass and Organic Non-Woven Fabric. Remarkably strong shell and extremely lightweight. Designed for superior fit and comfort using advanced CAD technology. Three Shell Sizes -One size for XS-S, one for M-L, and a third for XL-2XL sizing. ACS Advanced Channeling Ventilation System -Full front-to-back airflow flushes heat and humidity up and out the rear of the helmet. 11 intake vents and 4 exhaust vents. COOL4EVER Interior -Lightweight, moisture wicking, odor free and antibacterial material. Premium soft feel with Ginko extract. Self cooling system cools down faster than other major fabrics. Removable, washable crown and cheek pads. Large Eyeport -Maximum range adjustable visor. Optimal visibility and superior goggle fit. -DOT-218, SNELL M2010 -2.92 lbs / 1325 grams (approx, based on size medium solid color)
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Really nice helmet!
By Taosjonah
from Taos, NM
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Comments about HJC RPHA-X Tempest Off-Road Motorcycle Helmet:
This is a great helmet. This is my 5th HJC and I just love them. This is the lightest, most comfortable, certified helmet I could find. I found some cool European options but none of them have been tested for US safety standards. This is the coolest helmet I could find. I normally wear a 7 3/8 hat size and the sz MD fit me snugly like a moto helmet should. I would say downsize from their fit chart.
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