The sizing chart on Arc'teryx' website states that a Medium will fit 31 - 34.5 waists, and that the ideal fit is with a one inch overlap in the ends of the waist belt. Well, my waist is 32.5 around, and a medium barely fits on me with a two inch GAP between the ends of the waist belt. I suppose I'll be exchanging this for a large before I get a chance to climb in one, since I'm not about to climb with two inches of 1/2 webbing digging into my waist.. Good news is it looks great and is SUPER light. I look forward to getting the right size!
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