Dynafit Youngstar Touring Boot
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Description
The Dynafit Youngstar Touring Boot is a 938-gram junior touring boot on a 99mm last, with a soft flex-tongue, 60 degrees of range of motion, and a pin-tech sole, built to get kids skinning on real touring gear.
Tech Specs
Features
- Flex: No numeric index from Dynafit. Soft, with a flexible tongue tuned for young or lighter skiers.
- Weight: 938 g per boot (size 23.5) measured; Dynafit states 930 g.
- Last: A 99mm last with a medium-volume, growth-friendly fit.
- Walk Mode: Ultra Lock Youngstar lever with a single-throw switch and 60 degrees of range of motion.
- Shell: Moldable polyurethane shell and cuff with a Grilamid spoiler.
- Liner: Thermo-moldable Y-Star liner.
- Sole: Pomoca Speed Climb rockered sole with Quick-Step-In tech inserts, for pin-tech bindings only.
- Closure: Two buckles with the Ultra Lock System 2.0.
- Forward Lean: 15 or 18 degrees with the spoiler.
Dynafit Youngstar Touring Boot
The Dynafit Youngstar Touring Boot is a 938-gram (size 23.5) junior touring boot with a 99mm last, a soft flex-tongue that Dynafit does not assign a numeric index, 60 degrees of range of motion, and a Pomoca pin-tech sole. It is Dynafit's first purpose-built kids touring boot, using a moldable polyurethane shell and a simple flex-lock lever so young skiers can skin, transition, and ski without fighting an adult boot cut down to size.
Is This the Right Boot for You?
CCBB Boot Ratings
CCBB Fit Profile
Why We Like It
- At 938 grams per boot in size 23.5, the Dynafit Youngstar lets a kid feel the real benefits of a dedicated touring boot instead of a heavy hand-me-down.
- The flexible tongue and 60 degrees of range of motion give a natural, energy-saving stride that keeps young legs moving uphill.
- The Ultra Lock Youngstar lever switches from ski to walk with a single throw, so transitions stay simple for small hands and cold fingers.
- The polyurethane shell and cuff are easily heat molded and punched, and hold up well to the abuse kids give gear.
- The medium-volume fit and range of last sizes suit a variety of kids, and smaller-footed adults, from 21.5 to 26.5.
- The Pomoca Speed Climb rockered sole grips well on skin-track kick turns and rocky approaches, and the Quick-Step-In tech inserts snap into pin bindings easily.
- The thermo-moldable Y-Star liner balances low weight with enough warmth and comfort for full days out.
Best Uses
- Introducing kids to ski touring and skinning
- Resort uphill laps and mellow backcountry outings
- Lightweight junior touring setups and ski sets
- Narrow youth and small-adult touring skis
- Smaller-footed adults wanting an ultralight, forgiving boot
Bootfitter's Advice
The Dynafit Youngstar Touring Boot fits as a medium-volume boot on a 99mm last, comfortable for a range of growing feet without the sloppy fit of an oversized adult boot. The polyurethane shell heat molds and punches easily, so we can open a growth spot or relieve a pressure point rather than jumping a full shell size prematurely.
Size to the shell, not to a street-shoe number: the 21.5 is built on the same shell as the 22.5 with a thinner liner, so check the boot sole length chart before buying. The boot is soft and not built for aggressive driving, so heavier or expert adults with small feet should look at a stiffer option like the Scarpa F1 in a 21.5 or 22 shell instead.
Technical Specifications Manufacturer specs · Click to expand
Fit and Construction
- Weight
- 938 g per boot (size 23.5) measured. Dynafit states 930 g.
- Last
- 99 mm
- Flex
- Not assigned a numeric flex index by Dynafit. Soft, with a flexible tongue tuned for young or lighter skiers.
- Range of Motion
- 60 degrees
- Shell
- Polyurethane shell with a Grilamid spoiler
- Cuff
- Polyurethane cuff
Features and Compatibility
- Walk Mode
- Ultra Lock Youngstar lever with a single-throw ski/walk switch and a flexible tongue
- Closure
- Two buckles with the Ultra Lock System 2.0
- Binding Compatibility
- Pin-tech (low-tech) bindings only. The Dynafit Youngstar has Quick-Step-In tech inserts, but its Pomoca Speed Climb rockered sole meets no alpine (ISO 5355) or touring (ISO 9523) sole norm, so it is not compatible with frame, MNC, or alpine bindings.
- Sole
- Pomoca Speed Climb rockered rubber sole with Quick-Step-In tech inserts; meets no alpine or touring sole norm
- Forward Lean
- 15 degrees, 18 degrees with spoiler
- Liner
- Y-Star, thermo-moldable
Compare the Dynafit Youngstar
Youngstar vs. Roxa RX J Light
Both are dedicated junior touring boots with tech inserts and walk modes. The Roxa RX J Light offers a slightly more downhill-oriented feel, while the Dynafit Youngstar is lighter and simpler to operate, with the one-throw Ultra Lock lever that suits younger skiers.
Shop Roxa RX J Light bootsYoungstar vs. Roxa R3 J 90 TI
The Roxa R3 J 90 TI carries a stiffer, stated 90 flex for older or heavier junior skiers who ski harder on the descent. The Dynafit Youngstar is softer and lighter, favoring easy walking and comfort for kids newer to touring.
Shop Roxa R3 J 90 TI bootsYoungstar vs. Scarpa F1
Smaller-footed adults often cross-shop these because both come in a 21.5 or 22 shell. The Scarpa F1 is far stiffer and skis much better for an adult, while the Dynafit Youngstar is lighter, softer, and a better match for a growing kid than a strong adult skier.
Shop Scarpa F1 boots



