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PROTON GTX WOMEN'S
$170.00 USD
Our most protective and supportive trail runner that’s perfect for rugged trails and mixed shoulder-season conditions, the super-tough Proton GTX features the ultimate combination of cushion, support and weather protection
Size Chart

Technical Specifications Specifications plus minus

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Size Options : 37 - 41 (half sizes)
Weight Reference : 305g; 10.8oz (1/2 pair size 38)
Upper : Synthetic Leather & Polyester Mesh
Lining : GORE-TEX® Extended Comfort
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.

GORE-TEX®

GORE-TEX® membrane contains over 9 billion microscopic pores which are approximately 20,000 time smaller than a drop of water, but 700 times bigger than a molecule of moisture vapor. So while water in it's liquid state can't penetrate the GORE-TEX membrane, the boot still remains breathable.

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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