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DESCRIPTION
Find your flow in the most rounded of the TRAILFLY™ Series, with long-lasting comfort and confident traction on mixed terrain.
The TRAILFLY™ V2 is an upgrade on our award-winning TRAILFLY™ hard-ground trail running shoe. It features improvements to its outsole, midsole and upper for improved grip and durability.
4mm graphene-infused rubber lugs give uncompromising traction over both dry and wet surfaces. The reformulated G-GRIP™ of the V2 offers a 50% improvement on wet slip resistance compared to the V1. An updated POWERFLOW PRO midsole is even more durable and resilient than the previous version, increasing its lifespan. And new KPU overlays on the TRAILFLY™ V2’s upper give enhanced protection against rough rocks and vegetation.
Designed to handle big miles on long trails, the TRAILFLY™ V2 is suitable for everyday training, as well as longer runs and races.
Product Care
Running Footwear
To maximise the life of your running shoes, make sure you dry them fully between runs. When dirty or muddy, clean your shoes to maintain the flexibility of the upper and its resistance to wear.
Washing:
For best results hand wash your shoes as close to the end of your run as possible. To wash your shoes: Remove the insoles and loosen or remove the laces. Brush off dried/caked mud using a soft brush. Rinse your shoes under cold running water while brushing off any remaining mud/debris (an old toothbrush is perfect for this).
Drying:
Place your shoes in a warm room, an airing cupboard or outside (but not in direct sunlight) to dry. Do not dry your shoes in a tumble drier or next to radiators, fireplaces or hot summer sunlight. You can speed up the drying process by removing the shoe’s insole and shoelaces, and by stuffing them with newspaper. Make sure your shoes are completely dry before wearing again.
RE-WATERPROOFING:
As with all water-repellent treatments, over time they begin to lose their effectiveness. To maintain your shoe’s waterproof finish, we recommend periodically re-waterproofing them using a product such as Grangers® Footwear Repel Plus.
SPECIFICATIONS
Footbed: 6mm BOOMERANG Footbed
Lugdepth: 4mm
Midsole: POWERFLOW PRO
Midsole Stack: 18mm Heel / 12mm Forefoot
Sole Compound: G-GRIP Graphene Rubber
Vegan: Yes
SIZE CHART
Inov-8 Size Guide
All of our Inov8 shoe sizes on our website are in US Men and Women.
Inov-8 Size Guide
Shoes
| UK Size | EU Size | US Size Mens | US Size Womens | CM |
|---|---|---|---|---|
| 1 | 33 | 2 | 3.5 | 20 |
| 2 | 34.5 | 3 | 4.5 | 21 |
| 3 | 35.5 | 4 | 5.5 | 22 |
| 3.5 | 36 | 4.5 | 6 | 22.5 |
| 4 | 37 | 5 | 6.5 | 23 |
| 4.5 | 37.5 | 5.5 | 7 | 23.5 |
| 5 | 38 | 6 | 7.5 | 24 |
| 5.5 | 38.5 | 6.5 | 8 | 24.5 |
| 6 | 39.5 | 7 | 8.5 | 25 |
| 6.5 | 40 | 7.5 | 9 | 25.5 |
| 7 | 40.5 | 8 | 9.5 | 26 |
| 7.5 | 41.5 | 8.5 | 10 | 26.5 |
| 8 | 42 | 9 | 10.5 | 27 |
| 8.5 | 42.5 | 9.5 | 11 | 27.5 |
| 9 | 43 | 10 | 11.5 | 28 |
| 10.5 | 45 | 11.5 | - | 29.5 |
| 11 | 45.5 | 12 | - | 30 |
| 11.5 | 46.5 | 12.5 | - | 30.5 |
| 12 | 47 | 13 | - | 31 |
| 14 | 50 | 15 | - | 33 |
Handwear
| Size | Glove (cm) | Mitt (cm) |
|---|---|---|
| Small | 15 - 18 | 14 - 19 |
| Medium | 18 - 20 | 17 - 22 |
| Large | 20 - 23 | 20 - 25 |
| X-Large | 23 - 25 | - |
Socks
| Size | UK | US |
|---|---|---|
| Small | 3-6 | 4-7 |
| Medium | 7-9 | 8-10 |
| Large | 10-12 | 11-13 |
Extreme Thermo Socks
| Sock Size | UK Shoe Size | US | EU |
|---|---|---|---|
| XS | 3-5 | 4-6 | 36-38 |
| S | 5-7 | 6-8 | 38-40 |
| M | 7-9 | 8-10 | 40-43 |
| L | 9-11 | 10-12 | 43-46 |
| XL | 11-13 | 12-14 | 46-48 |
Calf Guards
| Size | CM |
|---|---|
| Small | 30 - 35 |
| Medium | 35 - 40 |
| Large | 40 - 45 |
Shoe Fit Scale
We have graded the fit of all our shoes from 1 to 5 to make it easy for you to find the perfect fitting shoe. All our shoes are designed with Met-Cradle technology to lock down the mid-foot for a stable hold. Where they differ is in the toe box. Grade 1 represents our closest, most precise fit. At the other end of the scale, Grade 5 has the widest fitting toe box.
We have meticulously studied the foot and its function during the gait cycle and also the interaction between the foot and the terrain. We have used this knowledge to develop our fitting scale. For technical footwear, a good fit is essential to enhance your performance.
The lower the number on our scale, the narrower the fit, which ensures minimal internal movement of the foot when running fast on technical terrain. Shoes with the higher numbers on our scale will suit athletes with a wider foot and those wanting that extra comfort in the toe box. This wider toe box allows the toes to splay for increased stability when lifting heavy weights. It's also perfect for longer runs and races when toes begin to swell.
As a rough guide, Grade 1 represents an industry B fit, while Grade 5 equates to a 2E fit in the forefoot.












