Features
EXO CONSTRUCTION
Highly breathable upper mesh is backed by our EXO internal support matrix inspired by structural elements of the Golden Gate Bridge. Welded PY reinforcements on the upper add additional structure support and abrasion resistance.
FOOT ACTIVE CONTROL
The midsole features two different densities of a SRPA exclusive ‘Active EVA’ compound. The lower layer in a softer density cushions foot strike and adapts to rocky terrain. The upper layer of medium density Active EVA provides support and structure to minimize foot fatigue. Sandwiched between the two layers is a 1mm multi-layer carbon fiber plate that provides underfoot protection and significant energy return and propulsion in the toe-off phase of the gait cycle.
Technical Specifications Specifications
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- Midsole: Medium density Active EVA Foam for support and thrust response
- Carbon Plate: 1mm thick carbon plate provides effective elastic return arch support and torsion control on the traverse
- Midsole: EVA midsole low density Active EVA Foam for shock-absorption
- Outsole: PRESA outsole in SuperGum compound in the forefoot and Water Lock in the heel/arch area which for all-conditions grip and adaptability
- Tread Design:
Golden Gate ATR GTX Tread
Sizing
SRPA Euro US Sizing Chart
All SRPA 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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