Best All-Mountain Skis: How to Choose Width, Length, and Rocker

By Justin McKelvey · Updated November 5, 2026

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What "all-mountain" means

All-mountain skis are built to handle a bit of everything: groomed runs, bumps, crud, and the occasional powder day. They're the right choice if you want one pair of skis for most conditions. The trade-off is that a specialist ski does any one thing better, but the all-mountain ski does many things well.

Step 1: Waist width

Waist width is the width of the ski underfoot, in millimeters. It's the biggest factor in how a ski behaves.

• Under about 85 mm: quick edge to edge and grippy on hard snow. Best if you mostly ski groomers, especially in the East.
• About 85–100 mm: the classic all-mountain range. Versatile enough for groomers and soft snow.
• About 100 mm and up: more float in powder and crud, but slower to turn on hardpack. Better for western resorts that get frequent storms.

Think about where you ski most. If your home mountain is often icy, go narrower. If you chase storms out West, go wider.

Step 2: Length

A common starting point is a ski that stands somewhere between your chin and the top of your head. Then adjust:

• Shorter if you're a beginner, prefer short turns, or are lighter for your height.
• Longer if you're advanced, ski fast, ski a lot of powder, or are heavier for your height.
• Rocker matters: skis with a lot of tip and tail rocker ski shorter than their length, so you can size up slightly.

Our ski size chart and calculator gives you a length range from your height, weight, and ability.

Step 3: Profile (camber and rocker)

• Camber: an arch underfoot that gives edge grip and rebound on hard snow.
• Tip rocker: the tip rises earlier, which helps the ski turn easily and float in soft snow. Most all-mountain skis have it.
• Tip and tail rocker: even more playful and forgiving, at the cost of some grip on ice.

Most modern all-mountain skis use rocker in the tip and camber underfoot, which is a good default.

Step 4: Turn radius and stiffness

Turn radius, listed in meters, describes the ski's natural turn shape. A shorter radius likes quick, short turns; a longer radius likes big, fast arcs. Stiffness matters too: softer skis are forgiving and easy at slower speeds, while stiffer skis are stable at speed but demand more strength and technique.

Match the ski to your ability

• Beginner to intermediate: a softer, narrower all-mountain ski with tip rocker and a shorter length. Or keep renting while you learn; see rent or buy ski gear.
• Intermediate to advanced: a medium-stiff ski in the 85–100 mm range, sized near your height.
• Advanced, storm skiing: a wider, longer ski, or a two-ski quiver with a dedicated powder ski.

Bindings and boots

Most skis are sold flat (no bindings) or with a system binding. Bindings must be mounted and adjusted by a shop to your boot sole length, weight, height, and ability, which sets the release value. It's a safety setting, so don't skip it. Shop ski bindings with your skis if they come flat.

Boots matter even more than skis. A ski that's perfect on paper won't feel right in a sloppy boot. See our guide to choosing ski boots before you spend on skis.

Try before you buy

Many resorts and shops offer demo skis you can rent for a day, often with the fee credited toward a purchase. Demoing two or three widths on the same day is the fastest way to learn what you like. Check where it's snowing this week and plan a demo day around good conditions.