Women's CloudEclipse

• Weight: Approx. 8.4 oz – 8.6 oz (240 g)
• Heel-to-Toe Drop (Offset): 5 mm – 6 mm
• Stack Height: Approximately 36.5 mm – 39 mm in the heel and 30.5 mm – 33 mm in the forefoot (varies slightly by measurement standard)
• Support Type: Neutral

Core Technology & Features

• Midsole: Constructed with a double layer of CloudTec Phase cushioning that collapses in sequence to absorb impact and smooth out heel-to-toe transitions, powered by Helion superfoam.
• Stability & Control: Includes a flexible, partial Speedboard built into the maximalist midsole for added torsional rigidity and guidance.
• Upper & Materials: Features an engineered mesh upper with a built-in, gusseted/connected tongue for midfoot lockdown, utilizing 100% recycled polyester yarn dyed with a water-saving dope dye technique (using up to 90%–95% less water).
• Outsole: Designed with rubber pads/compounds in key traction zones for grip on dry and wet road surfaces.

• Length & Sizing: Fits true to size for standard-width feet (available in standard B width), though some reviewers note a slightly longer internal volume that still works best in your standard size.
• Width & Toebox: Offers a wider, higher-volume forefoot and roomier toe box compared to snugger On models like the Cloudsurfer or Cloudmonster. It accommodates average to moderately wide feet well, though runners requiring a dedicated 3E or 4E wide will likely find it too narrow.
• Midfoot & Lockdown: Features a fully-gusseted, knitted/attached tongue with engineered wings that hug the midfoot.
• Heel: Features a structured heel counter and a locked-in collar, though narrow-footed runners may need to cinch down the laces firmly to prevent minor heel slip.

• Long Runs & Distance Cruising: Features On’s thickest maximalist midsole and a double layer of computer-simulated CloudTec Phase® cushioning that compresses in sequence to soften heavy impact and smooth out the heel-to-toe roll.
• Daily & Easy/Recovery Training: Ideal for runners who want a stable, balanced, and protective ride during easy miles or high-volume weekly training.
• Walking, Travel, & Prolonged Standing: The plush Helion™ superfoam platform and wide, supportive base make them a popular choice for all-day wear, walking tours, or standing for long shifts.