Merrell - ProMorph - Grey - 8.5

Run the roads. Run the trails. Run anywhere in-between. The all-terrain ProMorph running shoes com...

Best current price£140.00from Merrell UK

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3 offers from £140.00 - £149.99

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Merrell UKMerrell - Promorph In Grey Size 8.5 M
Free delivery in 1–3 days
£140.00
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La RedouteMerrell Promorph All-Terrain Trainers Men's Grey Size 43 (9)
£4.99 delivery
£149.99
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Product Information

Full details

The Merrell ProMorph trainers are designed for the versatile adult male athlete who transitions frequently between road running and trail adventures. The key benefit of this shoe is its dual-purpose engineering, which provides a plush landing via the FloatPro+ midsole while ensuring stability on uneven terrain with a high-traction Vibram outsole. While these shoes excel in hybrid environments, users who focus exclusively on technical mountain climbing may find they prefer a more rigid, dedicated hiking boot.

All features

Age Groupadult
ColourGrey
GenderMale
Shoe Size UK8.5
Shoe TypeTrainers
SeriesProMorph
Model Part NumberJ00005826
BrandMerrell

Extended Product Information

FAQs

Are these shoes waterproof?

The Merrell ProMorph is designed for breathability and comfort on mixed terrain; it does not feature a dedicated waterproof membrane.

Can I use these for long-distance hiking?

While they are highly capable on moderate trails, they are categorized as trainers. For multi-day trekking with heavy packs, a dedicated hiking boot may offer more support.

How often should I replace the midsole foam?

Generally, running shoes lose their primary cushioning properties between 300 to 500 miles, depending on your running style and the surfaces you frequent.

Are they true to size?

Yes, they follow standard adult sizing. If you prefer extra room for thicker socks or significant foot swelling, some runners opt for a half-size up.

What is the primary difference between the ProMorph and a hiking boot?

The ProMorph is lighter and more flexible, prioritizing speed and comfort for running, whereas hiking boots offer more ankle support and impact protection for rough, unmaintained trails.

Troubleshooting

Shoes feel tight after a long run

Feet naturally swell during exercise. Ensure you are wearing appropriate moisture-wicking running socks and consider loosening the lacing system during your run.

Outsole losing traction in mud

Mud can pack into the tread pattern. Use a brush to clear the lugs after every trail session to maintain the effectiveness of the Vibram outsole.

Pros and Cons

Pros

  • Versatile performance on both roads and trails
  • Superior shock absorption with FloatPro+ foam
  • Excellent grip provided by the specialized Vibram outsole
  • Lightweight construction suitable for daily training

Cons

  • Not intended for heavy-duty technical rock scrambling
  • Lacks specialized waterproofing for deep water crossings
  • Requires a break-in period for optimal foam responsiveness

Setup, Compatibility & Care

To ensure your Merrell ProMorph trainers perform at their best, follow these guidelines:

  • Break-in: Wear them for short walks or light runs for the first few days to allow the foam and upper material to conform to your foot shape.
  • Cleaning: After muddy trail runs, remove excess debris with a soft-bristled brush. Hand wash with mild soap and cold water if necessary; do not use a washing machine or tumble dryer, as this can degrade the specialized midsole foam.
  • Drying: Air dry in a cool, shaded area away from direct sunlight or artificial heat sources, which can cause the materials to warp or crack.
  • Storage: Store in a dry, ventilated place to prevent moisture buildup and odors.

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