The Salomon S/Pro R100 is an all-mountain ski boot that balances support and comfort for skiers exploring different terrain. It’s built to give a straightforward connection between your foot and the ski so you can focus on the run rather than your gear.
With a 100 mm last and mid-volume shell, the S/Pro R100 provides a snug feel around the foot without excessive tightness, catering to average-width profiles. Its flex rating of 100 offers enough stiffness for precise responses during turns while still allowing some forgiveness on uneven snow. Weighing around 1810 g per boot (size 26.5), it keeps weight manageable to help reduce fatigue over a full day on the mountain.
In ski boots, the ‘last’ measures the shell’s width at its widest point—here that’s 100 mm across the forefoot—which influences how roomy or snug the fit feels. The flex rating indicates how much resistance you get when you lean forward: a 100 flex delivers a noticeable, direct feel without being overly rigid. These specs help you gauge how the boot will perform in terms of fit and response.
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