Regular price
by ON
Color -
Estimated Delivery In:

3-5 Days

The On Cloudboom Strike LS is a top-end road racing shoe built for half marathon through marathon efforts. It’s a specialty tool for race day and key workouts, not a daily trainer, and the laceless LightSpray upper targets runners who want minimal upper weight with a locked-in, second-skin fit.

The ride is high-cushion and forward-rolling, combining dual-layer Helion HF foam with a stiff carbon Speedboard for propulsive transitions. It feels best for midfoot and forefoot strikers who can load the plate and use the low drop. Stability is neutral-racy - efficient in a straight line, less forgiving if you need a wide, guided platform.

Specs & Shoe Notes

Technical Specs

Cushion Level
High Cushion
Surface
Road
Drop
Heel to Toe Drop: 4mm
Weight
Weight: 170g

Foam Technology

  • Helion HF hyper foam - Material type: PEBA-based (listed by specialty retailer) - Hierarchy: On’s top-tier racing foam - Underfoot feel: high energy return with race-day cushioning depth - Prioritizes: efficiency and responsiveness at speed (with impact protection for longer racing). Material type not confirmed by On - please verify. :contentReference[oaicite:5]{index=5}
  • Carbon Speedboard - Material: carbon fiber - Function: stiffness and propulsion through a spoon-shaped plate geometry - Effect: faster roll-through and energy transfer, best when you stay forward on the shoe. :contentReference[oaicite:6]{index=6}

Comfort & Fit Notes

<ul> <li><strong>Fit:</strong> Brand states true to size; upper is a close, second-skin style and can feel harder to get on than a traditional laced racer. :contentReference[oaicite:8]{index=8}</li> <li><strong>Upper structure:</strong> LightSpray TPU filament upper - seamless, laceless, extremely minimal, designed to reduce overlays and glue. :contentReference[oaicite:9]{index=9}</li> <li><strong>Step-in feel:</strong> No sockliner to maximize foam volume - expect a very direct, race-ready step-in rather than plush trainer comfort. :contentReference[oaicite:10]{index=10}</li> <li><strong>Stability feel:</strong> Neutral-racy. Efficient when you’re moving straight and staying forward, less forgiving laterally than more stable super shoes. :contentReference[oaicite:11]{index=11}</li> <li><strong>Geometry notes:</strong> Low drop (4 mm) with a rolling transition from CloudTec elements plus a stiff plate - best for midfoot/forefoot loading. :contentReference[oaicite:12]{index=12}</li> </ul>

This Shoe Is Perfect For

Road racing from 10K to marathon, plus select faster workouts where you want a plated, high-cushion platform.

How This Shoe Compares

Compared to Compared to Nike Vaporfly 3

Vaporfly 3 is the more traditional “easy to live with” racer thanks to a conventional laced upper and a more familiar fit/entry. Cloudboom Strike LS is lighter and more minimal up top, but the laceless construction can be pickier to put on and dial in. If you want maximum simplicity and broad fit compatibility, Vaporfly 3 is usually the safer pick - if you want the most stripped-down upper and don’t mind the learning curve, Strike LS makes sense.

Compared to Compared to adidas Adizero Adios Pro 3

Adios Pro 3 tends to feel more structured through the upper and more planted through the platform, especially when fatigue sets in. Cloudboom Strike LS leans more “minimal upper, fast roll,” with comfort coming from cushioning depth rather than structure. Choose Adios Pro 3 if you want a more guided, stable-feeling marathon racer - choose Strike LS if you prioritize minimal upper weight and a laceless, second-skin fit.

Local Benefits

Enjoy expert fitting with every purchase. Visit any Athletic Annex location for a free gait analysis, 3D foot scan, personalized shoe recommendations, and hands-on support to dial in your perfect fit. Prefer to shop online? Enjoy free shipping and free 30-day returns, so you can run, walk, or move in your shoes with total confidence.

Frequently Asked Questions