Men's Merino Underwear

First On. Last Off. Mons' high-performance Merino underwear is ultra-lite and ultra-breathable. Made for year-round use, our underwear provides athletic support without skipping on style.

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  • NEW
    Hold 'em Merino Boxer - Signal Lost Glacier Hold 'em Merino Boxer - Signal Lost Glacier
    Hold 'em Merino Boxer $74.95
  • NEW
    Hold 'em Merino Boxer - Cobalt Hold 'em Merino Boxer - Cobalt
    Hold 'em Merino Boxer $74.95
  • Hold 'em Merino Boxer - Midnight Hold 'em Merino Boxer - Midnight
    Hold 'em Merino Boxer $74.95
  • Hold 'em Merino Boxer - Grey Heather Hold 'em Merino Boxer - Grey Heather
    Hold 'em Merino Boxer $74.95
  • Hold 'em Merino Boxer - Black Hold 'em Merino Boxer - Black
    Hold 'em Merino Boxer $74.95
  • NEW
    Hold 'em Shorty Merino Boxer - Signal Lost Glacier Hold 'em Shorty Merino Boxer - Signal Lost Glacier
    Hold 'em Shorty Merino Boxer $64.95
  • NEW
    Hold 'em Shorty Merino Boxer - Cobalt Hold 'em Shorty Merino Boxer - Cobalt
    Hold 'em Shorty Merino Boxer $64.95
  • Hold 'em Shorty Merino Boxer - Midnight Hold 'em Shorty Merino Boxer - Midnight
    Hold 'em Shorty Merino Boxer $64.95
  • Hold 'em Shorty Merino Boxer - Grey Heather Hold 'em Shorty Merino Boxer - Grey Heather
    Hold 'em Shorty Merino Boxer $64.95
  • Hold 'em Shorty Merino Boxer - Black Hold 'em Shorty Merino Boxer - Black
    Hold 'em Shorty Merino Boxer $64.95
  • Epic Merino Bike Liner - Pop Blue Epic Merino Bike Liner - Pop Blue
    Epic Merino Bike Liner $139.95
  • Epic Merino Bike Liner - Black Epic Merino Bike Liner - Black
    Epic Merino Bike Liner $139.95
  • Sale Low Pro Merino Bike Liner - Blue Slate Low Pro Merino Bike Liner - Blue Slate
    Low Pro Merino Bike Liner $119.95 $95.96
  • Low Pro Merino Bike Liner - Midnight Low Pro Merino Bike Liner - Midnight
    Low Pro Merino Bike Liner $119.95
  • Sale Low Pro Merino Bike Liner - Fragments Low Pro Merino Bike Liner - Fragments
    Low Pro Merino Bike Liner $129.95 $103.96
  • Sale Low Pro Merino Bike Liner - Checkers Low Pro Merino Bike Liner - Checkers
    Low Pro Merino Bike Liner $129.95 $103.96
  • Low Pro Merino Bike Liner - Black Low Pro Merino Bike Liner - Black
    Low Pro Merino Bike Liner $119.95