Key Features

Product Highlights

Helion™ HF Hyper Foam
Drop-in Bounceboard
Carbon Speedboard®
Midfoot Cage Support

Best for:

Running

Marathon Racing, Half Marathons, Road Racing, Pace Work, Competition

210g

Weight

4mm

Heel to Toe

Product Features

Cushioned Bounceboard

Cushioned Bounceboard

Helion™ HF foam meets an innovative Bounceboard setup for serious race-day propulsion. The plush insert boosts energy return with every stride, keeping you cushioned without breaking stack rules. It’s soft underfoot, springy in motion perfect for chasing pace over long distances.

Carbon Fiber Speedboard®

Carbon Fiber Speedboard®

The full-length, spoon-shaped Speedboard® loads and releases energy like a coiled spring. Paired with CloudTec® elements underfoot, it drives smooth, powerful toe-offs with every transition. The result? A fast, fluid ride that keeps you moving efficiently through each kilometre.

Ultralight Upper

Ultralight Upper

The one-piece mesh upper is light and highly breathable, ideal for warm race conditions. A cage system wraps the midfoot, locking you in for full-throttle efforts without sacrificing airflow.

Product Specifications

Why Choose the Cloudboom Strike

Helion™ HF foam and a removable Bounceboard give the Cloudboom Strike a uniquely soft but explosive feel. The carbon Speedboard® adds a snappy toe-off without harshness. It blends cushioning and propulsion for long-distance comfort at race pace. A serious tool for runners chasing marathon breakthroughs.

Breathable Build: The mesh upper lets air move freely. Keeps your feet cooler on hot race days.
Locked-In Support: The cage system hugs the midfoot. Helps maintain control at pace.
Marathon Fit: Molded heel and tongue wrap key zones. Designed for all-out effort over 42K.
Decoupled Transition: The outsole’s channel system flexes independently. Encourages natural roll-through and energy flow.

Vamp: 100% Thermoplastic Polyurethane
Collar Lining: 80% Polyester, 20% Polyurethane
Collar Lining: 86% Polyamide, 14% Elastane

Environment

Urban

Terrain

Road

Cushioning

Minimal

Ride type

Forward-Rolling
Responsive

Support level

Neutral

Breathability

High

Lacing system

Standard

Competition

Yes

Product Specifications

Why Choose the Cloudboom Strike

Helion™ HF foam and a removable Bounceboard give the Cloudboom Strike a uniquely soft but explosive feel. The carbon Speedboard® adds a snappy toe-off without harshness. It blends cushioning and propulsion for long-distance comfort at race pace. A serious tool for runners chasing marathon breakthroughs.

Breathable Build: The mesh upper lets air move freely. Keeps your feet cooler on hot race days.
Locked-In Support: The cage system hugs the midfoot. Helps maintain control at pace.
Marathon Fit: Molded heel and tongue wrap key zones. Designed for all-out effort over 42K.
Decoupled Transition: The outsole’s channel system flexes independently. Encourages natural roll-through and energy flow.

Model Names On Cloudboom Strike On Cloudboom Echo 3 Nike Alphafly 3
Cushioning or Foam Type Helion™ HF + Bounceboard PEBA-based foam ZoomX + carbon plate
Weight 210g (Men's) 215g 198g
Heel-to-Toe Drop 4mm 9mm 8mm
Best Use Marathon racing 10K–Half Marathon Marathon racing
Cushioning or Foam Type:
Weight:
Heel-to-Toe Drop:
Best Use:
Cushioning or Foam Type:
Weight:
Heel-to-Toe Drop:
Best Use:
Cushioning or Foam Type:
Weight:
Heel-to-Toe Drop:
Best Use:

Vamp: 100% Thermoplastic Polyurethane
Collar Lining: 80% Polyester, 20% Polyurethane
Collar Lining: 86% Polyamide, 14% Elastane

Cloudboom Strike specifications diagram

Product Classifications

Terrain

Road Indoor Urban

Distance per Session

Medium Long Marathon/Ultra

Cushioning

Minimal Low Firm

Support Level

Neutral Stability Motion Control

Ride Type

Responsive Forward-Rolling Stable

Environment

Urban Indoor Outdoor

Competition

Yes No

Conditions

Warm Mild Cold

Breathability

High Limited Low

Also Suitable For

Road Running Racing

Lacing System

Standard

Heel Style

Low Mid High
Why You'll Love It

Helion™ HF foam and a removable Bounceboard give the Cloudboom Strike a uniquely soft but explosive feel. The carbon Speedboard® adds a snappy toe-off without harshness. It blends cushioning and propulsion for long-distance comfort at race pace. A serious tool for runners chasing marathon breakthroughs.