Vendor:Merrell
Merrell Speed Fusion Sport RMX
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Men
Women
Please note that this is a general guide and sizes may vary slightly between different brands, brand styles, and manufacturers.
What are you sizing?
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Footwear
Tops
Bottoms
Belts
Your current shoe size
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Your measurements
Your height determines your size.
5'7″
Your measurements
Height fine-tunes leg length; waist gives your size.
5'7″
Or
Measure around your natural waistline, where the waistband normally sits.
Your waist / pant size
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Not sure? Use the waist size from your usual pants, or measure where you'd wear the belt.
Please note that this is a general guide and sizes may vary slightly between different brands, brand styles, and manufacturers.
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Last updated 2026
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This is general information only. Eligibility, fees and terms are set by PayPal and may change — visit the official guide above for full details before choosing this option.
Last updated 2026
Merrell Speed Fusion Sport RMX
Size: US7Color: Black