Sirens are for women who want a shoe that delivers all-around performance from face climbs to cracks to indoor bouldering. A relaxed heel slingshot and perforated synthetic upper deliver out-of-the box all day comfort. Perforations keep your feet cooler resulting in less swelling throughout the day ensuring a comfortable all-day fit. Stealth® XX™ guarantees unrivaled rubber performance.
Size Conversion Chart
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