Feathered Friends

G-SUMMIT

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$668.88 $929 In stock

A unique high altitude technical mountaineering boot designed to be used with or without a removable liner and thermal insole depending upon the conditions and terrain encountered.  Core-Wrap™ technology in the inner shell maximizes lightweight warmth.  The BOA® Fit System allows for quick and easy lace tension adjustments while wearing bulky handwear. Vibram® Dura Step sole compound with Ice-Tech™ tread.  This boot sets a new standard for an extremely versatile and precise boot for ice and mixed climbing, alpinism, and high altitude mountaineering.

Details

  • Technical High Altitude Mountaineering Double Boots with Removable Liners
  • Differential Lacing w/ BOA® M4 Dial System with External Dial for Quick Adjustments and Ease of Use with Bulky Handwear
  • Integrated Single Piece Gaiter with Abrasion Resistant Fabric Reinforced with Anti-Puncture PU
  • Thermo-Taped Internal Gusset for Increased Water Repellency
  • Water Resistant Zipper with Waterproof Gusset at the Forefoot Under the Zipper
  • Hook and Loop Zipper Garage
  • Elasticized Breathable Wraparound Upper Band
  • Core-Wrap™ Inner Shell Maximizes Warmth while Reducing Weight
  • Internal Power Strap for a More Precise Fit
  • Anti-Abrasion TPU Mudguard Film
  • PU Techlite Lateral Mudguard Protection
  • Medial Rubber Rand
  • Unique Removable Liner and Thermal Insole
  • Removable Thermal Insole where Lightness and Precision are Needed
  • Removable Liner for Higher Insulation in Extreme Weather Conditions with 3mm Thermo Reflective PE + EVA Single Density Foam
  • 5mm Carbon Z-Therm™ Insulating Lasting Board for Increased Stiffness and Warmth
  • TPU Heel and Toe Inserts for Full Automatic Crampon Compatibility
  • Vibram® Ice-Tech™ Outsole with Vibram® Dura Step Compound and Climbing Zone Platform for Excellent Grip in Low Temperatures and Wet Terrain
  • Ice-Tech™ Tread Divided into Two Sections for Enhanced Performance
  • Impact Brake System™
  • Resoleable Sole and Heel
  • Nepal Last
  • 29.2 oz (830 g)
  • Made in Italy
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Customer Reviews (4.4 / 5 · 5 reviews)

Victoria ★★★★★

Wore these up a frozen couloir and my toes stayed warm the whole time, which never happens for me. Pulling the thermal insole out on the approach made the fit feel completely different in a good way.

Ava P. ★★★★★

The removable liner is a game changer—swapped it out mid-route when the temps rose, and my feet stayed comfortable the whole descent. The Core-Wrap construction gives a snug, supportive fit that feels locked-in on uneven rock. Glad I trusted the versatility for mixed alpine days.

Carter R. ★★★★★

The removable liner is a game-changer—I stripped it out for a lighter scramble and popped it back in for the glacier crossing, and the boots handled both without complaint. The Core-Wrap construction gives my ankles a locked-in feel even under a heavy pack.