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Alpinestars Alpinestars SP-X Leather Trousers Black White
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The CE certified SP-X Pants are constructed from a multi-material chassis of full grain leather and extensive stretch fabric for excellent fit and movement. An extended rear waist, a reinforced seat area, plus internal body-mapped mesh lining, means these pants offer optimized levels of durability, coverage and comfort.


  • Multi-Panel, Multi-Fabric Main Chassis Construction: 1.3 mm High Grade Bovine Leather And Highly Abrasion Resistant Stretch Fabric.
  • Accordion Leather Stretch Zones Above The Knee And Upper Back Offer Improved Flexibility.
  • Internal Mesh Lining With Stretch Panel Inserts Work In Conjunction With Outer Stretch Zones For Freedom Of Movement.
  • High Extended Rear Waist Provides Greater Overlap Coverage With The Riding Jacket.
  • Large Stretch Panels On Calf And Crotch Area For Improved Fit And Feel.
  • Pre-Curved Leg Construction Helps Reduce Riding Fatigue And Improves Fit.


  • Supplied With Alpinestars’ Class-Leading CE Certified Nucleon KR-H Hip Protectors, Which Incorporate Advanced PU Foam For Impact And Abrasion Resistance And Are Ergonomically Designed.
  • Internal CE Certified Alpinestars GP-R Protection On Knees.
  • Protectors Are Anatomically Profiled And Feature Impact-Absorbing EPU Foam For Fit And Comfort.
  • Protectors Are Replaceable.
  • Replaceable Sport Knee Sliders For Excellent Impact And Abrasion Resistance.
  • This Garment Is CE Certified 89/686/EEC.


  • Waist Circumference Adjustment For Personalized Fit And Comfort.
  • Waist Connection Zipper Allows Attachment To Alpinestars Riding Jackets.
  • Localized Perforation For Excellent Ventilation And Internal Airflow.
  • Hook And Loop Grip Ankle Closure Ensures Pant Remains Stable On The Lower Leg.
  • Internally Reinforced Seat Area For Comfort, Durability And Protection.


Item part number: 312321812