What Are Cross Trainers? | Shoe vs. Machine Explained

If a friend says “I need new cross trainers,” they likely mean a sturdy, flat-soled shoe for lifting, sprints, and lateral drills. If a gym-goer says “I spent 30 minutes on the cross trainer,” they almost certainly mean the low-impact elliptical machine. The same phrase covers two completely different pieces of fitness gear, and confusing them is the most common mistake in the conversation. This article untangles the two, covers what each is designed for, and helps you pick the right one for your workout.

What Cross Training Shoes Are

A cross-training shoe is a hybrid – part running shoe’s cushion, part court shoe’s grip, part weightlifting shoe’s flat stability. It is built for workouts that mix forward motion, side-to-side cuts, and stationary lifts in a single session. Key design features include a flatter, wider sole than a running shoe, a lower heel drop for better ground feel, and a flexible midsole that lets you pivot and dig in during burpees, box jumps, or kettlebell swings. Running shoes are optimized for repetitive forward impact and offer poor lateral support for gym moves; cross-training shoes fill that gap.

These shoes shine in CrossFit, circuit training, HIIT classes, weightlifting, and any workout that changes direction. They are not built for long-distance running.

What Elliptical Trainers Are

An elliptical trainer (still sometimes called a cross trainer in the US, though “elliptical” is far more common) is a stationary cardio machine with two foot pedals that move through an elliptical path. You stand upright and push through each pedal stride, while moving handlebars engage your arms and upper body. Because your feet never leave the pedals, there is no ground impact – the machine delivers a cardiovascular workout that is dramatically easier on joints than running or jogging on pavement. Resistance is adjustable, and many machines let you pedal forward or in reverse to shift muscle emphasis between quads, glutes, and hamstrings.

Ellipticals suit all fitness levels. Beginners use steady 20-minute sessions at low resistance; experienced athletes run intervals (30 seconds hard, 30 seconds easy) or progressively ramp resistance to simulate climbing.

Common Mistakes and How to Avoid Them

Three errors dominate conversations about cross trainers. The first is thinking the shoe and the machine are interchangeable; they are separate products with separate jobs. The second is wearing cross-training shoes for a marathon block – they lack the forefoot cushioning and heel energy return a dedicated distance shoe provides, which can lead to shin splints or plantar pain over high mileage. The third is the reverse: wearing running shoes for lateral gym work. Running shoes are built for forward motion and sometimes lack the sidewall support needed for agility drills, leaving ankles exposed during quick cuts.

If you shop for cross trainers, check our guide to the best women’s cross trainers for tested picks across lifting, HIIT, and mixed training. The right shoe depends on your dominant movement – flat and firm for heavy lifts, slightly more cushioned for cardio-heavy circuits.

Which One Should You Use?

The answer depends entirely on your goal. If you need one shoe for gym classes, weights, and short cardio blocks, a cross-training shoe is the right tool. If you need a low-impact cardio machine that spares your knees and hips while still raising your heart rate, the elliptical wins. The two are not competitors; they serve different parts of a balanced training week.