Updates to La Sportiva Trango Tower GTX

  • La Sportiva created a lightweight 3-season alpine boot in the Trango Tower GTX. It replaces the Trango S Evo GTX. Its upper is a combination of materials designed to deliver durability and protection: the 3D Flex System, a Gore-Tex lining and a full rubber rand.
  • The EVA/PU midsole addresses shock absorption and cushioning. It works with a nylon insole which yields stability and support.
  • The Vibram One (alternate name: Cube) sole grips on most types of terrain. It features the Impact Brake System to optimize performance on the trails.

Size and fit

The Trango Tower GTX is created for men and women. It generally runs true to size. The Trango series uses a last that is a bit narrower. Its lacing system allows users to adjust the width and volume to obtain a comfy fit. It is offered in standard width and regular sizes.


The One sole is the outcome of a La Sportiva and Vibram collaboration. Its lugs are patterned to increase ground contact, reducing negative impacts. Also, it is equipped with the brand’s Impact Brake System which increases grip, especially on descents.


This mid-cut mountaineering boot features a midsole that mixes different materials. Polyurethane (PU) is used at the toe and EVA on the central zone. The heel area is a mix of PU and EVA. This structure increases rebound thus enhancing walking comfort. A TPU insert is placed at the back to receive crampons. A 7 mm nylon insole renders underfoot rigidity.


The Trango Tower GTX’s upper features a high tenacity nylon reinforcement with Honey-Comb Guard which are strategically laid out on areas prone to scrapes. Other materials that make up the upper include FlexTec3, microfiber and light PU thermal adhesive inserts. Some of these components are in charge of keeping the design clean and for optimum weight containment. It is also lined with a Gore-Tex Performance Comfort laminate for insulation, breathability and waterproofing.

The brand-owned 3D Flex System allows the ankle to move freely for a more precise and controlled stride. Its lacing system uses metal hooks on the cuff and ankle area and webbing eyelets above the foot for a secure lockdown. A rubber rand wraps the base for added security while its tongue and collar are cushioned for comfort.

Additional Info

  • This mountaineering boot bagged the 2018 Backpacker Editor’s Choice
  • The Trango Tower GTX is compatible with hybrid crampons.

Facts / Specs

Weight: Men 720g / Women 576g
Use: Snow, Alpine
Cut: Mid cut
Features: Insulated, Single, Lace-to-toe, Vegan / Orthotic friendly / Removable insole
Waterproofing: Waterproof
Width: Normal

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Paul Ronto
Paul Ronto

Over the past 20 years, Paul has climbed, hiked, and ran all over the world. He has summited peaks throughout the Americas, trekked through Africa, and tested his endurance in 24-hour trail races as well as 6 marathons. On average, he runs 30-50 miles a week in the foothills of Northern Colorado. His research is regularly cited in The New York Times, Washington Post, National Geographic, etc. On top of this, Paul is leading the running shoe lab where he cuts shoes apart and analyses every detail of the shoes that you might buy.