#5 on this list
Trango Cube GTX - Women's
La Sportiva
The women’s La Sportiva Trango Cube GTX focuses on agile, three-season alpine climbing where minimizing weight on the feet is paramount. Tailored with a women-specific low-volume last, it provides a secure fit across the heel and midfoot, eliminating internal slipping during steep ascents and technical scrambles. Construction is distinctively modern: the upper uses seamless Thermo Tech Injection technology, bonding protective thermoplastic directly to a water-repellent fabric. By eliminating traditional seams, the boot sheds weight, prevents potential blowout points, and resists soaking up moisture when slogging through slushy spring snow. A semi-rigid shank provides ample support for semi-automatic crampons on summer glacier routes and firm couloirs. Its limitations are thermal performance and vertical front-pointing capability. The Trango Cube contains no heavy insulation, making it unsuitable for true winter ascents or cold-weather ice cragging. Climbers tackling mixed alpine terrain, summer Cascade volcanoes, or high-elevation scrambling, however, will appreciate its athletic, approach-shoe-like responsiveness. **Highlights** - Seamless Thermo Tech Injection thermoplastic construction minimizes weight and seams - Gore-Tex Performance Comfort lining prevents water intrusion - Women-specific low-volume last optimizes heel hold and midfoot lockdown - Semi-rigid design supports semi-automatic hybrid crampons - Vibram Mulaz sole with integrated climbing zone for edging precision - Removable tongue insert assists with fine-tuning internal volume **Watch-outs** - Zero thermal insulation makes it cold for sub-freezing excursions - Not stiff enough for steep, sustained vertical ice climbing - Thermoplastic overlays can wear quickly when repeatedly jammed in rock fissures
- Price
- Check current price
- Reader rating
- No reader votes yet
- How we assessed it
- Specification researched
#6 on this list
Acrux AR
Arc'teryx
The Arc'teryx Acrux AR stands out as an ultra-compact, double-boot system designed for multi-day alpine routes, technical ice, and cold mixed objectives. Unlike traditional bulky double boots, the Acrux AR maintains the low-profile exterior of a single boot, giving technical climbers the cold-weather insurance of a removable liner without sacrificing footwork visibility. The exterior is built around an integrated Gore-Tex gaiter with high puncture resistance and an airtight, waterproof zipper. Inside sits a removable, quick-drying perforated PE foam liner that climbers can pull out and slide into a sleeping bag at night, guaranteeing dry, warm boots for the following morning. A full-length carbon-fiber shank provides unyielding rigidity for step-in automatic crampons on sheer water ice. The primary critique of the Acrux AR involves internal fit and on-mountain adjustability. The internal lacing mechanism can be tricky to adjust through the tight outer gaiter, particularly when hands are cold. Additionally, the interior volume is fixed and precise, meaning climbers with wide feet or high insteps may struggle with pressure points. **Highlights** - Two-piece double-boot design with a removable, fast-drying inner bootie - Breathable, waterproof Gore-Tex integrated outer gaiter with watertight zipper - Full carbon-fiber lasting board provides rigid, reliable crampon platform - Front and rear composite welts fit automatic step-in crampons - Vibram AR outsole with custom tread pattern for mixed rock and ice grip - Compact outer footprint rivals the bulk of standard single boots **Watch-outs** - Internal fit is narrow and low-volume with minimal stretch - Adjusting inner lacing through the snug outer shell can be clumsy with gloves - High initial cost for a specialized multi-day climbing tool
- Price
- Check current price
- Reader rating
- No reader votes yet
- How we assessed it
- Specification researched
Specs side by side
| Spec | Trango Cube GTX - Women's | Acrux AR |
|---|---|---|
| Category | Lightweight 3-season mountaineering | — |
| Waterproofing | Gore-Tex Performance Comfort | — |
| Crampon Fit | Semi-automatic (heel welt only) | Automatic step-in compatible |
| Outsole | Vibram Mulaz with climbing zone | Vibram AR mountaineering compound |
| Upper | Thermo Tech Injection synthetic | — |
| Approximate Price | $399 | — |
| Boot Type | — | Technical double mountaineering boot |
| MSRP | — | Around $750 |
| Outer Gaiter | — | Gore-Tex with waterproof zipper |
| Liner Type | — | Removable perforated PE foam bootie |
| Shank Material | — | Full-length carbon fiber lasting board |
What our reviewers liked and didn't
Trango Cube GTX - Women's
- Seamless thermoplastic construction cuts weight and eliminates seam failure
- Exceptional climbing feel and edging precision on technical rock
- Compatible with semi-automatic hybrid crampons for steep snow
- Snug, women-specific low-volume heel pocket prevents internal heel slip
- Non-insulated design makes it unsafe for sub-freezing winter mountaineering
- Semi-rigid shank lacks sufficient stiffness for steep, sustained vertical ice
- Narrow, low-volume fit will not accommodate wide forefeet comfortably
Acrux AR
- Removable inner liner allows reliable overnight drying on cold multiday trips.
- Streamlined exterior profile matches the climbing dexterity of a single boot.
- Full-length carbon shank delivers maximum stability for technical front-pointing.
- Integrated Gore-Tex gaiter provides seamless, total waterproof protection.
- Narrow internal shape and rigid shell offer little forgiveness for wide feet.
- Adjusting the internal laces while wearing gloves is awkward and slow.
- Waterproof zipper requires careful cleaning to prevent fouling from dirt and ice.
Prices change constantly — the figure shown is the last verified catalog price, and the buy buttons always go to the current listing.