Flex

Responsive Flex – Available exclusively on the Malamute, this removable TPU insert allows you to adjust the flex of your boot.

Energizer H Bars – A Malamute exclusive! Located on the inside of the outer shell, the 2 removable energizer bars allow you to customize your flex or bring new life to a weathered boot.

Powerframe – Exclusive to the Malamute, the Powerframe is a RPU reinforcement panel that offers a long lasting flex and response you can rely on.

Fit

Heel Grip – Specific Cat-Tongue material at the heel so your socks are perfectly gripped into the boots for increased heel hold.

Inner Heel Harness – An adjustable internal heel strap that locks down your liner for maximum support. Exclusively on Malamute and Trek S/Lab.

Liner

Response Custom Fit Pro – Fully heat-moldable liners featuring Ultralon Performance foams that offer support and comfort where you need it most. Response liners also feature new perforated Quickdry Insole to keep your toes dry.

Platinum – This liner is the king of support - nothing rules over it in terms of features: full Custom Fit Pro multi-density foams all over, a removable Energizer bar and an asymmetrical design.

Lacing System

Powerlock – Powerlock lace system has a criss cross locker on the tongue and anti-catch hooks on the upper combined for a easy and secure closure.

Footbed

Ortholite C3 – A dual density insole featuring a molded heel cup for all day comfort and a precise fit.

Sole

Trek EC+ – High stability outsole featuring a Salomon exclusive technology that combines the rebound of Energy Cell+ and the stability of our VIBE compound.