La Sportiva Kilo XTR W Alpine Touring Boot
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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
Features
- Flex: Claimed 120 via the Pebax Rnew Force Flex tongue. Stiff and progressive for a mid-weight women's boot, softer than a plastic 120 freeride boot.
- Weight: 1,190 g per boot (size 26.5), La Sportiva stated; the Kilo XTR W shares the XTR shell.
- Last: 100.5 mm, a medium-volume women's fit with a narrow heel.
- Walk Mode: Tilt-Lock Lite ski/walk lever gives a 68-degree range of motion.
- Shell: Grilamid Bio-Based LF Carbon with a Pebax Rnew Force Flex tongue.
- Liner: Women's Ultralon high-density, heat-moldable liner plus a WarmSole insert.
- Sole: FriXion Wave Alpine XTR outsole (ISMF race-sole standard) with certified tech inserts.
- Closure: 2 Force buckles with the Force Power Buckle and a power strap.
La Sportiva Kilo XTR W Alpine Touring Boot
The La Sportiva Kilo XTR W Alpine Touring Boot is a 1,190 g (size 26.5) women's mid-weight ski mountaineering boot with a 100.5 mm last, a claimed 120 flex, and a FriXion Wave Alpine XTR sole, built for women who want a confident descent on backcountry days. La Sportiva pairs the Kilo shell with a Pebax Rnew Force Flex tongue, a 68-degree range of motion, a women's Ultralon liner, and a WarmSole insert.
Is This the Right Boot for You?
CCBB Boot Ratings
CCBB Fit Profile
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 average-volume feet and a secure 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 fits medium overall with a generous ball, a snug and narrow heel, and a toe box that tapers to a point. 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.
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 bootsLa 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 bootsLa Sportiva Kilo XTR W vs. Tecnica Zero G Peak Women's
The Tecnica Zero G Peak Women's is lighter and narrower with a pointed carbon flex, while the Kilo XTR W runs a touch higher in volume with a WarmSole insert. We steer narrow, weight-focused skiers to the Peak and average-volume feet to the Kilo XTR W.
Shop Tecnica Zero G Peak Women's boots