GripWalk vs Alpine vs Touring Soles — What Fits What
Ski boot sole types explained: ISO 5355 Alpine, GripWalk (ISO 23223), and ISO 9523 Touring soles, plus a sole-type by binding compatibility matrix so you know what fits what before you buy.
DISCIPLINE DOSSIER // alpine-skiing
VERIFIED SPEC REPOSITORY
Alpine Skiing
Field evaluation reports, technical gear benchmarks, and specification audits curated for Alpine Skiing.
Boot Sole Length (BSL) and Binding Compatibility
Boot sole length (BSL) is the millimeter measurement that drives ski binding setup and forward pressure. Learn how BSL differs from mondo size, the sole standards (ISO 5355, GripWalk, ISO 9523, WTR), and why a certified tech sets forward pressure and DIN.
Boot Flex Index Explained — Ski Boot Stiffness by Ability & Weight
Ski boot flex index (the number like 90, 110, 130) explained: what it means, a flex-by-ability table, and how body weight and brand scale the number. From a former ski-shop equipment buyer.
Boot Fit Calculator — Ski Boot Sizing & Fit
Free ski boot fit calculator. Enter your size, foot width, instep, weight, ability, and terrain to get mondo size, last width, volume class, flex index, and brand fit recommendations — from a former ski-shop equipment buyer.
Boot Brand Fit Profiles — How Each Ski Boot Brand Fits
A buyer's guide to how each major ski boot brand tends to fit — last width, volume, instep, and calf — with a brand-by-brand fit table and per-brand notes. From a former ski-shop equipment buyer.
Buying Skis and Bindings Separately — Brake Width, Mounting & Package Deals
How to buy skis and bindings separately: match brake width to ski waist (equal to 15mm wider, 5–10mm ideal), read tip/waist/tail dimensions, choose a mount point, and decide between a flat ski and a system package. From a field setup & maintenance tech.
DIN Setting Estimator (Educational)
Educational ski binding DIN (release value) estimator based on the ISO 11088 weight method: enter weight, height, boot sole length, skier type, and age for an indicative DIN. A certified technician must set and test the final value.
Nylon vs Mohair Climbing Skins — Which to Buy for Your Tour Length
Nylon vs mohair vs blend climbing skins compared on grip, glide, weight, durability, and water behavior — with a tour-length recommendation so you pick the right skin plush for short steep climbs, long days, or all-around touring.
Suunto Altimeter Precision in Alpine Terrain
GPS Watch Altimeter Precision: Barometric FusedAlti vs Raw GPS Drift in Steep Alpine Terrain Steep alpine terrain exposes every weakness in a...
Salomon Shift 2 vs Cast Freetour: Alpine Spec & DIN Analysis
Verification post with Tier 2 Alpine Spec SVG feature image and Dex Okafor author attribution....
Alpine Backcountry Touring & Gear Analysis 2026
Evaluating route safety, binding elasticity, and snowpack stress factors across high-altitude ski touring routes. 1. Backcountry Terrain & Load Dynamics Alpine touring...
Dex Okafor Shift 2 Mechanical Tolerances
Evaluating route safety, binding elasticity, and snowpack stress factors across high-altitude ski touring routes. 1. Backcountry Terrain & Load Dynamics Alpine touring...