Readers asked me to detail the La Sportiva tech fittings. Here you go.
La Sportiva started their ski touring boot line around 2012 (has it been that long?). They’ve experimented with tech fittings since the fine day their first pair of ski touring shoes exited the injection mold. You could argue their S3 and S4 inserts, combined with the Trab TR2 binding, are the “Tech 2.0” that I ballyhoo more than is appropriate. Whatever the case, Sportiva tech fittings are not well documented. Perhaps the following will help.
S2? We don’t know what happened. But they jumped to S3…
What will S5 bring? Tech 2.4? Stay tuned.
WildSnow.com publisher emeritus and founder Lou (Louis Dawson) has a 50+ years career in climbing, backcountry skiing and ski mountaineering. He was the first person in history to ski down all 54 Colorado 14,000-foot peaks, has authored numerous books about about backcountry skiing, and has skied from the summit of Denali in Alaska, North America’s highest mountain. For more about Lou, please see his personal website at https://www.loudawson.com/ (Blogger stats: 5 foot 10 inches (178 cm) tall, 160 lbs (72574.8 grams).