Technologies Dupont® Surlyn Highback Dupont® Surlyn Highback The highback contributes to the durability and stability of the boot. Combined with additional reinforcements, the highback also aids in dictating its stiffness. Sympatex® Membrane Sympatex® Membrane The Sympatex® Membrane provides protection from the elements. It is environmentally friendly and recyclable. Waterproof Construction Waterproof Construction Precise stitching and a sandwich construction ensure water can’t penetrate the boot’s shell. After all, a dry foot is a happy foot. Powerstrap Powerstrap By securing the calf in place, the Powerstrap adds additional support to a boot’s lacing system. Custom Flex Custom Flex Our Custom Flex Construction enables riders to adjust the support and responsiveness of their boots. And to further secure a rider’s feet, this design also features ankle lacing. Vibram® East Ridge Vibram® East Ridge Outsole FlexRates PerformanceRates Liners Thermo Flex Premium Products Collection Softboots Category Backcountry Flex 8-10 Hard Price Colour Feature Thermoflex-Liner C3 Lacing Feature FlexRate8 PerformanceRate10 brown $$$ C3 Lacing with Boa® C3 Lacing & Boa® The Boa® system allows you to customize the heel zone’s fit.

Spark Summit BROWN

The Spark Summit makes no compromises. A Boa Coiler and Deeluxe’s Remedy sole provide a responsive ride while the boot’s oiled leather offers a rich appearance and durability for the backcountry. Go deeper with the Spark Summit.

Spark Summit TFP* 571501-1000/9220 25.0-30.5

available liners

TPS

Oiled leather provides a premium appearance and protection from the elements.
New midsole and Vibram East Ridge outsole offer a reduced footprint and enhanced cushioning.
C3 Boa performance lacing offers incredible support and an especially responsive ride.

technology

Dupont® Surlyn Highback Dupont® Surlyn Highback
Dupont® Surlyn Highback The highback contributes to the durability and stability of the boot. Combined with additional reinforcements, the highback also aids in dictating its stiffness.
Sympatex® Membrane Sympatex® Membrane
Sympatex® Membrane The Sympatex® Membrane provides protection from the elements. It is environmentally friendly and recyclable.
Waterproof Construction Waterproof Construction
Waterproof Construction Precise stitching and a sandwich construction ensure water can’t penetrate the boot’s shell. After all, a dry foot is a happy foot.
Powerstrap Powerstrap
Powerstrap By securing the calf in place, the Powerstrap adds additional support to a boot’s lacing system.
Custom Flex Custom Flex
Custom Flex Our Custom Flex Construction enables riders to adjust the support and responsiveness of their boots. And to further secure a rider’s feet, this design also features ankle lacing.
Vibram® East Ridge Vibram® East Ridge
Vibram® East Ridge Outsole
C3 Lacing with Boa® C3 Lacing with Boa®
C3 Lacing & Boa® The Boa® system allows you to customize the heel zone’s fit.

performance rate

flex rate

with TPS Shield medium
with TPS Shield hard

Size comparison

size comparison