These Alpinestars SX-1 Plasma knee guards are offered in black, red, and gray and listed as new with tags. They are a practical option for riders or buyers looking for protective knee guards from the SX-1 Plasma model line. Free shipping is included, which may help when comparing total purchase cost. Since the listing provides limited product specifics beyond the model name and colorway, check the listing for full details before buying. This is especially useful if you want to confirm fit, intended riding use, included packaging, or other item information that matters for your setup. Alpinestars SX-1 Plasma Knee Guards Black/Red/Gray. Color: Black/Red/Gray, Condition: New with tags. Suitable for MX/Off-Road. Listed at 129.95 USD. Light-weight knee protection with extensive protective coverage. Certifications: Knee protector: EN 1621-1:2012 LEVEL 1. back to top 5809612.