| What they do | Connect boot to ski; release in a fall |
| Release set by | DIN setting |
| Types | Alpine, frame (AT), tech (pin) |
| Balance | Retention vs release vs weight |
Ski bindings are the mechanical devices that connect a ski boot to the ski, holding the boot securely while skiing and releasing it in a fall to help prevent leg injuries. The release force is set by the DIN setting. Types include alpine (downhill), alpine touring/frame, and tech (pin) bindings, each suited to different skiing and balancing retention, release, and weight.
Release and types
Release force is the DIN setting; touring options include lightweight tech bindings and frame bindings.
Frequently asked questions
What do ski bindings do?
Ski bindings clamp your boot to the ski so you can control it, and — critically — they're designed to release the boot during a fall when forces exceed a set threshold, helping prevent knee and leg injuries. They also retain the boot reliably during normal skiing so you don't release accidentally.
What are the types of ski bindings?
Alpine (downhill) bindings fix the boot for resort skiing; alpine touring frame bindings let the heel pivot for climbing then lock for descent; and tech (pin) bindings use pins that clip into boot fittings for very light touring. Each balances downhill performance, release safety, and weight differently.
What is the DIN setting on bindings?
The DIN setting is a standardized number that determines how much force is needed for the binding to release. It's calculated from your weight, height, age, boot length, and skier ability, and should be set by a certified technician — too low causes accidental release, too high may not release when it should.
Sources
- Ski bindings — The Mountaineers
- Binding safety — PSIA-AASI