Cielo x1 2.0 VS Alphafly 3

The two running shoes target different speed-seeking runners, with the Cielo X1 2.0 focusing on efficient, low-profile speed and the Alphafly 3 prioritizing marathon-specific energy return and cushioning.

Cielo x1 2.0

✔ Price: $275


FEATURES
• PEBA midsole foam
• Winged carbon fiber plate
• Speed
• centric MetaRocker™
• Forefoot
• focused Active Foot Frame™
• Sticky rubber
• Under 40mm Road Racing height for M8.5
• Engineered jacquard mesh
• 3D screen printed overlay
• Warp knit tongue made with 100% recycled polyester
• SCF TPEE sockliner

Details
• Weight: 8.10 oz
• Heel-To-Toe Drop: 7.00 mm
• Plated

Stability
• The Cielo X1 2.0 features a symmetrical bed of cushion without additional prescriptive technologies.
• Designed to provide the support you want and nothing you don't.

Cushion
• The Cielo X1 2.0 features a low-profile cushion bed that keeps your foot closer to the ground, and utilizes a firmer material designed to provide an efficient push-off.

A propulsive ride for pure speed.
• A tip-of-the-spear product tuned for higher tempo pickups, the Cielo X1 2.0 is a must for speed seekers.
• Engineered with an aggressive forefoot rocker and ultra-responsive dual-density PEBA midsole with snappy carbon fiber plate, this pace-pushing road racer has been finished with a light, breathable upper.
• Designed with dynamic cutouts for weight savings and a cushioned collar to ensure secure foot lockdown, we’ve employed a sticky rubber outsole for improved traction when chasing those PRs.

Alphafly 3

✔ Price: $295


Energy Return for Your Marathon
• Two forefoot Air Zoom units combine with ZoomX foam to store and return the energy back to you, powering every step.

Propulsive Feeling
• A full-length carbon fiber plate delivers a propulsive sensation that helps you smoothly transition through every stride and tackle turns with confidence.

Cushioned Ride
• Fully connected ZoomX foam creates an ultralight and cushioned feel, helping you stay fresh and comfortable from mile 1 to 26.2.

What's New About the Alphafly 3?
• The Alphafly 3 is our lightest Alphafly ever, featuring a slightly wider carbon fiber plate for increased stability, a fully connected ZoomX foam midsole for smoother transitions, and an all-new Atomknit upper designed for improved multidirectional containment and breathability.

More Benefits
• Notched laces offer a secure but soft lace-up.
• Integrated knit tongue with lofted padding helps alleviate lace pressure.

Product Details
• Weight: Approx. 218g/7.7oz (Men's US 10)
• Heel-to-toe drop: 8mm
• Not intended for use as Personal Protective Equipment (PPE)

• Fine-tuned for marathon speed, the Alphafly 3 helps push you beyond what you thought possible.
• Three innovative technologies power your run: A double dose of Air Zoom units helps launch you into your next step; a full-length carbon fiber plate helps propel you forward with ease; and a heel-to-toe ZoomX foam midsole helps keep you fresh from start to 26.2. Time to leave your old personal records in the dust.