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La Sportiva Aequilibrium ST GTX Womens

Colour: Black/Hibiscus
Size: EU 37.5

The La Sportiva Women's Aequilibrium ST GTX is a lightweight synthetic mountain boot, compatible with semi automatic crampons. It has been designed for alpine walking, trekking, glacier crossings and other mixed terrain, plus scrambling and via ferrata.

One of the defining features of the Aequilibrium is the Double Heel™ combined with the existing La Sportiva Impact Brake System. The Impact Brake System is very common amongst La Sportiva footwear. To summarise the sole has specific shaped angular lugs that have extra surface area to act as a brake whilst ascending or descending, whilst retaining plenty of rubber for impact protection. The Double Heel™ is added to this setup to provide even more braking than normal when walking downhill, plus the back lug is angled to provide a rolling motion when stepping down heel first.

The boot feels great when put on. Your ankles feel very well supported and cushioned. Combined with the 3D Flex System Evo™ directional joint you still have plenty of movement in the ankle area whilst retaining all the support which ultimately gives great confidence with the control and support offered. Also of note is what feels like a more open and softer stretch area high up on the back of the boot to give more give when walking and less pressure on the back of your ankle and achilles.

The construction of the boot is from lightweight, yet still durable materials, particularly the TPU shell around the toe and heel to protect against the sharp rocks and the like.

The women's version offers smaller sizes and a boot better suited to your feet and arguably has a more interesting colour, than the traditional yellow and black colour-ways.

Overall the La Sportiva Women's Aequilibrium ST GTX is a very impressive boot that is comfortable to wear with some great new technology that reduces muscle fatigue and provides great comfort and support.


If you require some help with sizing this boot view our Mountaineering Boot Sizing Guide


A short video from La Sportiva highlighting the features of the La Sportiva Aequilibrium ST GTX.

Relevant Article

For more information on choosing the right mountain boots and fitting the correct crampons read our Rock + Run article: A Guide to Mountain Boots and Crampons


  • Snow guard in soft fabric
  • Gusseted tongue for maximum wearing comfort
  • Ergonomic, enveloping and precise shape with TPU shells integrated in the toe and heel to reinforce the uppers
  • 3D Flex System Evo™ directional joint with shaped ankle and protected by an anti-abrasion TPU layer: allows better control of the support and perfect mobility of the ankle
  • Uppers in HoneyComb Guard™ fabric with mono-burr wire reinforcements and TPU anti-abrasion film for protection and enhanced lightweight
  • Hook fastening at the top, webbing at the bottom with lower anti-chafing gaiter for use with crampons
  • Semi-crampon midsole compatible with semi-automatic crampons in case of ice or snow


  • Crampon Compatibility: B2
  • Single/Double: Single
  • Midsole: None
  • Uppers: Water-repellent high-tenacity Nylon 60.6 with abrasion resistant zones Honey Comb Guard
  • Lining: Gore-Tex Performance Comfort
  • Sole: Vibram® SpringLug Tech rubber and PU foam inner lining
  • Weight: 630g (1/2 pair)


    Mountaineering / Via Ferrata / Trekking / Glaciers and mixed terrain

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