Mountain Safety Research

Lightning™ Ascent Snowshoes


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Our ultralight snowshoes are built on a solid foundation of our advanced 360° Traction frames and deliver a level of security that tubular frames simply can’t—especially on traverses. Dual-component PosiLock AT bindings offer our most secure attachment, while rugged decking ensures long-lasting durability. In technical terrain, the snowshoes’ steel cross members and easily engaged Ergo™ Televators back you up with every step. And like all of our snowshoes, Lightning Ascents offer the all-condition adaptability of our Modular Flotation tails.

  • Unrivaled Traction: 360° Traction frames deliver edge-to-edge grip, and new durable steel DTX crampons provide serious bite in challenging conditions—delivering unmatched traction in technical terrain.
  • Secure Attachment: Two-piece, independently conforming PosiLock AT bindings create our most secure, freeze-resistant attachment, regardless of footwear.
  • All-Condition Adaptability: Add-on Modular Flotation tails allow you the maneuverability of a smaller, primary snowshoe with the added, on-demand flotation of optional, 5-inch (13-cm) tails.
  • Uphill Efficiency: Ergo Televators reduce fatigue and increase traction on the steeps with an ergonomic design that engages with a flick of a pole grip.
 22 IN25 IN30 IN
Color            Cobalt Blue            Cobalt Blue            Cobalt Blue
Weight per pair (Standard)4 lbs4 lbs 3 oz4 lbs 12 oz
Weight per pair (Metric)1.81 kg1.89 kg2.16 kg
Width (Standard)8 in8 in8 in
Width (Metric)20 cm20 cm20 cm
Length (Standard)22 in25 in30 in
Length (Metric)56 cm64 cm76 cm
Binding typePosiLockPosiLockPosiLock
GaitUnisex/average widthUnisex/average widthUnisex/average width
Footwear size range (Standard)4.5 M - 15 M4.5 M - 15 M4.5 M - 15 M
Footwear size range (Metric)35 - 4835 - 4835 - 48
Load (Standard)Up to 180 lbs120 - 220 lbs150 - 280 lbs
Load (Metric)Up to 80 kilos54 - 100+ kilos68 - 127+ kilos
Load w/ tails (Standard)Up to 250 lbs120 - 280 lbs180 - 300+ lbs
Load w/ tails (Metric)Up to 114 kilos54 - 127 kilos82 - 136+ kilos
Country of OriginMade in the USA of US and Imported PartsMade in the USA of US and Imported PartsMade in the USA of US and Imported Parts
NOTICE: Some products in this store can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Please check the product label for warning information. For more information go to We cannot ship any products into California that are affected by Proposition 65.

SHIPPING CHANGES: Due to new sales tax rules in the state of Colorado, effective June 1, 2019, purchases made online through JAX Mercantile for customers in the state of Colorado will only be able to be shipped to addresses within JAX current tax jurisdictions in Fort Collins, Loveland, Lafayette, and Broomfield. Customers in the state of Colorado who do not have shipping addresses within these zip codes may still opt for in-store pickup at any JAX store location when making a purchase on the JAX website. Learn more on our shipping and returns page.

Customer Service: 1-800-336-8314 Monday - Friday 9am to 5pm MTN