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Inov8 Women's F-Fly

$130.00

Step into the F-Fly, a flexible hybrid-focused training shoe. This is a great shoe for running a few miles and tackling moderate strength work and CrossFit WODs.

COLOR • Black/Gum
Heel to Toe Drop 4.0mm

Go Up a Half-Size: Please check out my sizing section below for more details, but most athletes and lifters will want to go up a half-size in these.

POWERFLOW PRO Midsole: Delivers responsive cushioning for dynamic work and short to mid-range runs (1-5 miles).

Wide Toe Box: Allows for ample toe splay, enhancing stability during lifts.

Hybrid Design: Balances comfort for running with enough stability for moderate strength training (up to 415 lbs).

Lightweight Construction: Ideal for both indoor workouts and outdoor runs, featuring a breathable mesh upper.

Versatile Grip: 2.5mm lugs and a flexible outsole for traction on gym surfaces and outdoor terrains.

Read: My Review

These Size Similar To

The Inov8 F Fly sizes similar(ish) to most Nike, Under Armour, and On training shoes with some caveats. Check out my sizing suggestions to learn more.

How I Suggest Sizing These

Pretty much everyone...go up a half-size

These have a wider forefoot and a fairly aggressive midfoot taper with a narrower heel. If you traditionally like shoes that have that triangle-like fit then you'll like these.

If you have narrow and medium-width feet, go up a half-size in these.

If you have EE+ width feet, you'll want to go up a half-size in these, potentially a full size.

For Inov8's full sizing chart, check out the link below, and if you ever have sizing questions before you buy — please reach out via email or Instagram!

To Confirm: Inov8's Sizing Chart

How to Find Your Size

Check out: Sizing Guide

I always recommend spot-cleaning training shoes and using a three-pronged approach to do it thoroughly.

  • Step 1: Grab your barefoot shoes, a clean washcloth, a soft soap void of harsh dyes and fragrances, and lukewarm water.
  • Step 2: Get your washcloth wet with lukewarm water and dab less than a dime-sized amount of soap on the damp washcloth.
  • Step 3: Remove your cross-training shoe’s insoles and spot clean areas on the shoes that need a little attention. Do not soak your shoes. Repeat this process of dampening your washcloth and rubbing trouble areas until your shoes look noticeably cleaner. If you have bright colorways, rub softly to avoid ruining your shoe’s colorway.
  • Step 4: Once you’re satisfied with the appearance of your shoes, place them by a vent or dry area in your house and remove their insoles until thoroughly dried.

All returns and exchanges are accepted for unworn, like-new shoes within 30-days.

Read more here.

Features worth knowing

The core construction details that I think are worth knowing before you buy!

1. POWERFLOW PRO MIDSOLE

The POWERFLOW PRO midsole has good flexibility and it walks the fine lineof being stable enough for lifting while staying responsive enough for running, jumping, and HIIT.

2. BREATHABLE MESH UPPER

The lightweight mesh breathes well in this shoe, and it's proven to be relatively durable for cross-training, lifting, and even CrossFit. Even on the hottest days in places like Austin, Texas, these stay cool.

3. WIDE ANATOMICAL TOE BOX

This shoe has a nice spacious toe box to accommodate toe splay and a wide range of foot anatomies. These shoes typically work for feet up to a 3E forefoot width.

4. GRIPPY RUBBER OUTSOLE

The full rubber outsole featuring 2.5mm thick lugs grips various gym surfaces super well. Whether you train on turf, rubber gym floors, or wooden platforms, grip is no issue.

Lifting Thresholds and My Assessment

This shoe can work well for recreational lifting. I've pushed them hard to assess where their stability starts to fall short.

Below are a few of the core and top lifting tests I've done in them.

  • 455 lb deadlifts. Decent. I'd suggest capping your pulling to this amount and below in them.
  • 325 lb squats. Not bad at all for being a hybrid shoe. You'll start to notice a bit of compression above 315 lbs so I'd suggest capping your loading to about 340 lbs and below.
  • 205 lb reverse lunge. Overall good. I like the flexibility of these shoes for this training context, but you will notice a bit of compression above 185 lbs for single-leg work.
Cross Training Assessment

These work best for CrossFit WODs that have a bias towards running and dynamic exercises like box jumps and double-unders. If you know your gym programs a heavy cardio bias, then these work great.

For cross-training, these will be best served for more general sessions where you're doing some jumping and dynamic movement. They may lack for serious lateral cutting, but in most cross-training workouts, they've performed great.

Running, Walking and Comfort

For running, my favorite distances to run in these are from 1-5 miles. At this mileage, their lower stack heightisn't a huge concern. These are also best for those with a forefoot and midfoot strike.

For walking and daily wear, I've really liked these. They're a good do-it-all shoe and have made them my training shoes for travel fairly often. They're a good option for someone who wants a single shoe for
training while traveling.

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