La Sportiva Kilo XTR W Alpine Touring Boot Ski Boots - Touring Boots - Ski Mountaineering - Womens La Sportiva
La Sportiva Kilo XTR W Alpine Touring Boot Ski Boots - Touring Boots - Ski Mountaineering - Womens La Sportiva
La Sportiva Kilo XTR W Alpine Touring Boot Ski Boots - Touring Boots - Ski Mountaineering - Womens La Sportiva
La Sportiva Kilo XTR W Alpine Touring Boot Ski Boots - Touring Boots - Ski Mountaineering - Womens La Sportiva
La Sportiva Kilo XTR W Alpine Touring Boot Ski Boots - Touring Boots - Ski Mountaineering - Womens La Sportiva
La Sportiva Kilo XTR W Alpine Touring Boot Ski Boots - Touring Boots - Ski Mountaineering - Womens La Sportiva

La Sportiva Kilo XTR W Alpine Touring Boot

$1,278.00
Size
Build your dream setup!
Boot Fitters Advice
Description

The La Sportiva Kilo XTR W Alpine Touring Boot is a 1,190 g women's ski mountaineering boot with a 100.5 mm last, claimed 120 flex, and a Force Flex tongue for touring skis up to 100 mm.
Tech Specs
View details
Women's Mid-Weight Ski Mountaineering Boot

La Sportiva Kilo XTR W Alpine Touring Boot

The La Sportiva Kilo XTR W Alpine Touring Boot is built for women ski mountaineers who want a mid-weight boot with real forward support. A 100.5 mm last fits a medium forefoot with a slim heel, and a Force Flex tongue in Pebax Rnew, a renewable castor-oil-based plastic, over a Grilamid Bio-Based LF Carbon shell carries a claimed 120 flex with a firmer front end than a tongueless boot. At 1,190 g per boot in a 26.5, with 68 degrees of cuff rotation, the La Sportiva Kilo XTR W drives touring skis 98 to 100 mm underfoot.

Expert Fit Review Fit profile and recommendations reviewed by CCBB bootfitters.

Is This the Right Boot for You?

Best For
Women ski mountaineers with a medium forefoot and a slim heel who want a mid-weight boot with tongue-backed support that skins efficiently and drives touring skis up to 100 mm underfoot.
Consider Another Boot If
You want the lightest possible uphill and prefer the tongueless women's La Sportiva Kilo, have a very narrow foot, or need the damp power, frame, or MNC compatibility of a heavier freeride touring boot.

CCBB Boot Ratings

Uphill Efficiency
5/5
68 degree ROM at 1,190 g
Downhill Performance
4/5
Progressive tongue support
Walking Comfort
4/5
Strong once buckles are set
Transition Speed
4/5
Tilt-Lock Lite lever

Rating scale: 5 = top of its class, 4 = excellent, 3 = good, 2 = specialized or below average, and 1 = limited.

CCBB Fit Profile

Overall VolumeLow to Medium
Toe BoxTapered
Forefoot VolumeMedium
Instep HeightMedium
Heel HoldGood
Ankle HoldGood
PunchabilityModerate
Heat MoldableYes

Why We Like It

  • The Pebax Rnew Force Flex tongue gives the Kilo XTR W a claimed 120 flex and firmer forward drive than a tongueless boot.
  • La Sportiva states 1,190 g at size 26.5, keeping the Kilo XTR W in the mid-weight class while skiing close to heavier boots.
  • The 68-degree range of motion keeps the skin track efficient once the buckles and power strap are loosened.
  • The women's Ultralon high-density liner molds to the foot for a custom, insulated fit.
  • The WarmSole platform separates the foot from the carbon shell for cold winter belays.
  • The Tilt-Lock Lite ski/walk lever is quick and glove friendly, and the FriXion Wave Alpine XTR sole grips rocky approaches.

Best Uses

  • Women's ski mountaineering and backcountry touring
  • Big-vertical days that still demand a confident descent
  • Touring skis 90 to 100 mm underfoot
  • Cold-weather missions where warmth matters
  • Women with a medium forefoot and a narrow heel

Bootfitter's Advice

The Kilo XTR W uses the same 100.5 mm lower shell as the men's Kilo XTR, sized to the women's 23 to 27.5 range with a women's liner. It is generous at the ball and midfoot, snug and narrow at the heel, and tapered to a point at the toe, so overall volume runs lower than the 100.5 mm figure suggests. After fitting hundreds of skiers, we find it a good match for women who want a secure heel and a bit of forefoot room rather than a narrow race fit.

Set the instep a hair snug, since the Ultralon liner packs slightly with use. The carbon-infused Grilamid shell heat molds and accepts limited punching, and getting the full 68-degree range of motion takes a moment of loosening the upper buckle and power strap at transitions, so practice the routine.

Fit profile reviewed by CCBB bootfitters. Final sizing should be confirmed with a shell fit whenever possible.

Technical Specifications Manufacturer specs · Click to expand

Fit and Construction

Weight: 1,190 g per boot (size 26.5), La Sportiva stated. The Kilo XTR W shares the XTR shell.
Last: 100.5 mm (size 26.5)
Flex: Claimed 120 by La Sportiva via the Force Flex tongue. It is stiff and progressive for a mid-weight touring boot, but skis softer than a plastic-shelled 120 freeride boot.
Range of Motion: 68 degrees (33 back, 35 front)
Shell: Grilamid Bio-Based LF Carbon
Cuff: Grilamid Bio-Based LF Carbon with a Pebax Rnew Force Flex tongue

Features and Compatibility

Walk Mode: Tilt-Lock Lite ski/walk lever, glove friendly
Closure: 2 Force buckles with the Force Flex tongue, Force Power Buckle, and power strap
Binding Compatibility: Pin-tech (low-tech) bindings only. La Sportiva's FriXion Wave Alpine XTR sole meets ISMF race-sole geometry, not ISO 5355 or ISO 9523, and the boot carries certified tech (pin) inserts. Not compatible with frame, MNC, or alpine bindings.
Sole: FriXion Wave Alpine XTR outsole (ISMF race-sole standard) with certified tech inserts and an internal WarmSole platform
Forward Lean: 12 and 14 degrees
Liner: Women's Ultralon high-density thermo-moldable Kilo XTR liner

Compare the La Sportiva Kilo XTR W

La Sportiva Kilo XTR W vs. La Sportiva Women's Kilo

The Kilo XTR W adds a Pebax Rnew Force Flex tongue for a claimed 120 flex and firmer forward drive, while the tongueless women's La Sportiva Kilo is lighter, at a stated 915 g, and walks more freely. Choose the Kilo for the uphill and the XTR W for the descent.

Shop La Sportiva Women's Kilo boots

La Sportiva Kilo XTR W vs. Scarpa F1 Women's

Both are mid-weight women's touring boots. The Scarpa F1 Women's uses a BOA and carbon tongue and steps into a wide range of tech bindings, while the Kilo XTR W relies on Force buckles and a Force Flex tongue and adds a WarmSole insert for cold days.

Shop Scarpa F1 Women's boots

La Sportiva Kilo XTR W vs. Tecnica Zero G Peak Women's

The Tecnica Zero G Peak Women's is lighter with a roomier toe box and a higher instep, while the Kilo XTR W holds the heel tighter, tapers more at the toe and adds a WarmSole insert. We steer narrow, weight-focused skiers to the Peak and medium forefeet with a slim heel to the Kilo XTR W.

Shop Tecnica Zero G Peak Women's boots

Common Questions

Who should buy the La Sportiva Kilo XTR W?
The La Sportiva Kilo XTR W suits women ski mountaineers with a medium forefoot and a narrow heel who want a mid-weight boot that skins efficiently and still drives touring skis up to 100 mm underfoot, with more forward support than a tongueless boot.
Is the Kilo XTR W really a 120 flex?
La Sportiva rates the Kilo XTR W at 120 via its Pebax Rnew Force Flex tongue, and it is genuinely stiff and progressive for a mid-weight women's boot. We find it skis softer than a plastic-shelled 120-flex freeride boot, so treat it as a light-boot 120 and pair it with skis up to 100 mm.
How is the Kilo XTR W different from the women's Kilo?
The Kilo XTR W adds a Pebax Rnew Force Flex tongue and a two-buckle plus power strap closure to the same lower shell as the women's Kilo, raising the claimed flex to 120 and adding forward support. The tongueless women's Kilo is lighter, at a stated 915 g, and walks more freely.
What bindings work with the La Sportiva Kilo XTR W?
The La Sportiva Kilo XTR W works with pin-tech (low-tech) bindings only. Its FriXion Wave Alpine XTR sole meets ISMF race-sole geometry rather than ISO 5355 or ISO 9523, and it carries certified tech inserts. It is not compatible with frame, MNC, or alpine bindings.
What foot shape fits the Kilo XTR W best?
The Kilo XTR W fits a low- to medium-volume foot with a generous ball, a narrow and secure heel, and a tapered toe box on a 100.5 mm last. Women who want a locked-in heel with some forefoot room do well, while very narrow feet may prefer a slimmer race boot.
How does the Kilo XTR W walk?
The Kilo XTR W offers a 68-degree range of motion that skins efficiently. Because it has a tongue, you open the upper buckle and power strap for the full stride, and once set it walks well for a boot with this much downhill support.
Is the Kilo XTR W warm enough for winter touring?
The Kilo XTR W pairs a WarmSole platform with a molded women's Ultralon liner, which makes it one of the warmer women's boots in its weight class and a solid choice for cold winter mountaineering.
Can the Kilo XTR W shell be punched or molded?
The women's Ultralon liner heat molds for a custom fit, and the carbon-infused Grilamid shell accepts limited, professional punching. Because the shell springs back, we build most of the fit around the liner mold and small, targeted shell adjustments.
What sizes does the Kilo XTR W come in?
The La Sportiva Kilo XTR W runs from Mondo 23 to 27.5, with the shell splitting on the full size (a 26.5 shares its shell with the 26). Confirm the fit with a shell check rather than converting from street-shoe size.

Our Verdict

The La Sportiva Kilo XTR W is a strong mid-weight choice for women who want a real descent without a heavy four-buckle boot. The Force Flex tongue and claimed 120 flex give firmer forward drive than a tongueless boot, and at a stated 1,190 g with a 68-degree range of motion it still skins efficiently. It fits a medium forefoot with a narrow, secure heel and a tapered toe, pairs with skis up to 100 mm, adds warmth through the WarmSole and Ultralon liner, and runs pin-tech bindings only.

Frequently Asked Questions

What foot shape works best?

Low- to medium-volume feet with a lower instep and secure heel.
Does it punch well?

Minor boot fitting is possible, but race boots are less forgiving to modify than heavier Grilamid touring boots.