Warm, waterproof and crafted with a unique blend of tactical features, the Ultra Extreme is designed to deliver lightweight performance and protection during fast-moving winter activities. The waterproof Gore-Tex® construction is paired with Duratherm® insulation and a Mylar footbed lining to minimize heat loss underfoot and to deliver all-around winter coverage. Finished with Vibram® Icetrek soles with deep lugs for aggressive traction on icy surfaces and a heel snowshoe clip for versatility in deep snow.

Features Include

  • Ultra Series achieves the balance of performance and protection
  • Upper: PU-coated leather and ballistic nylon upper
  • Upper: Waterproof construction for the ultimate weather protection
  • Upper: GORE-TEX® waterproof membrane with Duratherm® insulation
  • Bottom: Pebax® and full-foot Snake Plate™ for lightweight protection and energy return
  • Bottom: CRADLE™ GUIDE midsole
  • Bottom: Heel snowshoe clip
  • Bottom: Molded-rubber toe cap
  • Bottom: TPU quarter weld for structure
  • Bottom: Northotic™ Pro 2.0 with OrthoLite® dual-density footbed with Mylar reflective lining
  • Bottom: Dual-density, compression-molded EVA midsole with CRADLE™ GUIDE
  • Bottom: Vibram® Icetrek™ outsole

Product Specifications

Approx Weight:
1/2 pair: 1 lb 2 oz (520 g) / pair: 2 lbs 4 oz (1040 g) *based on Men’s 9

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