La Sportiva TX5 GTX notable features

The La Sportiva TX5 GTX is a robust trekking boot capable of giving its wearers enough support and comfort whether on or off the beaten path. It is built with the 3D Flex System—an exclusive technology that improves the shoe’s precision and control on steep terrain, allowing for freer ankle movements.

Terrain balance is brought forth by the boot’s injection-molded midsole. It comes engineered with a brand-owned technology called STB control system which ups its stability game. This proprietary tech also gives the midsole a bit more flexibility.

Size and fit

La Sportiva’s TX5 GTX is a generally true-to-size, high-top leather boot for male backpackers. It is offered in regular width in a range of whole and half sizes. Its lace-up closure makes fit adjustments and cinching the foot firmly in place possible.


This waterproof hiker provides sufficient traction over slippery surfaces thanks to its Vibram Megagrip outsole. It comes with aggressively shaped lugs and the Impact Brake System, both of which bolster the outsole’s grip performance.


An injection-molded midsole made of EVA is the component responsible for giving users the right amount stability and cushioning over uneven terrain. It has a TPU stabilizer for enhanced balance on considerably rough surfaces. For extra underfoot comfort, on the other hand, this cushy layer is paired with a 4-mm thick footbed from Ortholite.


The high-cut upper of the La Sportiva TX5 GTX is made of nubuck leather. Both its abrasion-resistant rubber rand and sturdy toe cap are courtesy of Vibram. Since it's a boot with Gore-Tex’s liner (GTX Extended Comfort), trekkers can expect a watertight yet breathable backpacking experience in it.

Completing the TX5 GTX’s upper is its ghillie lacing. It is primarily made up of a synthetic lace and combination eyelets. It is engineered with a cord-like strap at the flex point which, when utilized, further improves the footgear’s ankle support.

Facts / Specs

Weight: 527g
Use: Backpacking, Alpine
Cut: High cut
Features: Lace-to-toe / Orthotic friendly / Removable insole
Waterproofing: Waterproof
Width: Narrow, Normal
BRAND Brand: La Sportiva

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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.