Polar Runner: Merrell’s New MTL Astrum

Winter can be an exhilarating time to trail-run. If you’re a runner undaunted by snowy singletrack, check Merrell’s new winter trail runner MTL Astrum, which comes complete with a snow-stopping and flexible high collar.
Merrell MTL Astrum reviewed by Mountain Life Media
Photo: Merrell
Put through its paces in the Merrell Test Lab, the MTL Astrum’s upper and insole radiates body heat back toward the foot and features snow tire–inspired Vibram lugs that grip on mixed winter terrain. Snow tires for your feet? We sure like the sound of that. 
Merrell MTL Astrum reviewed by Mountain Life Media
Photo: Merrell
FEATURES
• M Select™ SHIELD treatment resists water
• Synthetic and textile upper
• Speed lace for quick, secure fit
• Lycra® neoprene stretch collar for easy on and off
• Mesh and Lycra® lining
• Heat-reflecting upper technology radiates body heat back toward the foot
• Heat-reflecting insole radiates body heat back toward the foot
• FLEXconnect™ dual-directional flex-grooves
• A more responsive compression-molded EVA midsole for increased energy return and comfort
• TrailProtect™ rock plate protects feet from underfoot debris
• Triple-density Vibram® outsole inspired by multi-density snow tires for all-around grip on snow, ice, slush, & mud
• Vegan-friendly
• Weight: 1lbs 3oz / 550g (1/2 pair).

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