Nike · Footwear
Nike Air Zoom Pegasus 42: Specifications, Fit & Feature Guide
The Nike Air Zoom Pegasus 42 is a neutral road-running daily trainer designed for everyday runs, jogging, and all-day wear. It introduces a full-length Air Zoom unit paired with ReactX foam midsole cushioning and an updated MR-10 2.0 last. People looking at this model often want to know its weight, drop specifications, fit adjustments, and key updates from prior iterations.
Specifications
- Official Heel-to-Toe Drop
- 10 mm
- Weight
- Approx. 300g / 10.5oz (Men's US 10); 243g / 8.6oz (Women's US 8)
- Midsole Cushioning
- ReactX foam midsole with a full-length, curved Air Zoom unit
- Last Model
- MR-10 2.0 Last (updated from Pegasus 41)
- Upper Material
- Soft lightweight mesh with ventilation holes and semi-gusseted tongue
- Available Fit Options
- Regular and Wide fits
- Insole Thickness
- 5.0 mm (removable)
- Safety Features
- Reflective heel elements
Common faults
- Flat or uninspiring ride
- Some runners report that despite the full-length Air Zoom unit and 37mm stack height, the midsole foam delivers limited energy return and a flatter feel at faster paces.
- Narrow toe box fit
- Despite updates to increase space, user testing indicates the interior toe box can still feel narrow, requiring a half-size larger selection or opting for the Wide fit.
Maintenance
- Insole Care / Replacement
- The shoe includes a removable 5.0 mm insole, which can be taken out for cleaning or replaced with custom orthotics.
- Upper Mesh Cleaning
- Keep ventilation holes along the toe box and side panels clear of dirt to preserve upper breathability.
Parts & consumables
- Removable Insole
- Standard 5.0 mm stock sockliner; replace when worn or swap for custom orthotics as needed.
Questions people ask
- What is new on the Nike Pegasus 42 compared to the Pegasus 41?
- Updates include a full-length curved Air Zoom unit (replacing separate heel/forefoot units), size-specific Air Zoom tuning, an updated MR-10 2.0 last, and greater toe spring.
- What is the retail price of the Nike Pegasus 42?
- The shoe retails for $145 USD / €140 / £130.
- Is the Nike Pegasus 42 suitable for orthotics?
- Yes, it is orthotic friendly and includes a removable insole.
Sources
- Nike Pegasus 42 Men's Road Running Shoes
- Nike Pegasus 42 Review: Time to Put the Peg out to Pasture?
- Cut in half: Nike Pegasus 42 Review (2026) - RunRepeat
- Nike Pegasus 42 | The Cornerstone Daily Trainer Gets an Air ... - YouTube
- Nike Pegasus 42 Women's Road Running Shoes
- Nike Pegasus 42 Review | Running Shoes Guru
- Nike's Pegasus 42 Has a Real Problem
- A Powerful Update for the Beloved Nike Road-Running Shoe