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PROTON
Our most supportive trail running shoe that excels on rugged, high-mileage outings where breathability trumps weather protection, the Proton cradles your foot and provides ample traction on loose, rocky trails.

Technical Specifications Specifications plus minus

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Size Options : 39 - 47 (half sizes); 48 (whole size)
Weight Reference : 360g; 12.7oz (1/2 pair size 42)
Upper : Synthetic Leather & Polyester Mesh
Lining : Polyester
Midsole : EVA-CM
Outsole : Vibram® Genesis / Megagrip
Insole : H-EVA Plate
Drop : 10mm
Last : TRP
Cushion : High
Underfoot Protection : High
Waterproof-Breathable : Yes

Technologies plus minus

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VIBRAM®

Vibram® is the world leader in high performance rubber soles and compounds, targeted to the outdoor, work, recreation, fashion, repair and orthopedic markets.

VIBRAM® MEGAGRIP

Sizing plus minus

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SCARPA Euro US Sizing Chart




All SCARPA non-plastic footwear and our Alien 3.0 uses European sizing.

  • 1 Euro whole size = 6.6 mm = 0.26 inches
  • 1 US whole size = 8.4 mm = 0.33 inches
  • The 30 Euro sizes below cover the same size range as 24 US sizes
  • Euro sizes provide a better, more precise fit for your intended use
  • For mountaineering boots, upsize (1/2+ sizes) depending on desired fit.




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