- A Utah Proud Brand Since 1921
- Free shipping on orders over $50
3045884
A lightweight gym shoe to tackle any workout - meet the F-FLY. Designed to give superior cushioning and bounce during treadmill running and cardio sessions, the F-FLY is also versatile enough to be worn for weightlifting, functional fitness movements, or wherever your workout takes you. Feel light and bouncy thanks to the combination of a POWERFLOW PRO midsole and BOOMERANG FOOTBED. These work together to provide you with cushioning and energy return during high-impact exercise, whether that's running or jump squats.
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15.8oz
Cushion thickness under the forefoot and heel, measured in millimeters.
Higher numbers mean more material between your foot and the ground.
Example: 24mm / 32mm = 24mm at the forefoot, 32mm at the heel.
6 mm / 10 mm
Height difference between heel and toe.
Lower drop (0–4mm): More natural stride, encourages midfoot/forefoot strike.
Moderate drop (5–8mm): Balanced feel, common for most runners.
Higher drop (9–12mm): Heel-focused landing, adds cushioning under the heel.
4 mm
Fitness & Training
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