Arc'teryx Eon SLW Boxer - Men's


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With maximum moisture management and thermal efficiency, the Arc'teryx Men's Eon SLW Boxer is ideal for active use and extended backcountry trips. Lightweight and breathable, these base layer boxer shorts feature naturally soft and odor resistant Merino wool that speeds dry-time and reduces layering bulk. Stay comfortable and warm wherever your next adventure lies with the Arc'teryx Eon SLW Boxers for men.


  • MAPP Merino Wool
  • Warm-when-wet
  • Minimal odor retention
  • Flatlocked seams lie flat for added comfort
  • Anatomical shaping for fit and comfort
  • Gusseted crotch
  • Comfort waistband with laminated, soft-brushed finish
  • Non-chafing label
  • Breathable, lightweight
  • Great warmth-to-weight ratio
  • Activity: All Mountain, Alpine Climbing, Hiking, Ice Climbing, Ski Touring, Trekking
  • 14 cm inseam
  • Weight: 99 g, 3.5 oz

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Review Summary

5 out of 5

1 Reviews

  • Build quality: 1
  • Great design: 1
  • Performance: 1

Comfort: 5 / 5
Durability: 5 / 5
Quality: 5 / 5

1 Ratings & Reviews

Comfort: 5 / 5
Durability: 5 / 5
Quality: 5 / 5

35-44 yrs

Arc'teryx does it again
April 08, 2012

This is my first pair of Merino wool underwear and I was a little skeptical that they wouldn't be as comfortable as other materials - not the case. I've only worn these in very cold weather so far (less than 20 deg F) and they've been great. They work well under base layers and haven't bunched or felt itchy. I'm planning an overnight camping trip next winter and these will definitely be my first layer. I haven't tested these in warmer weather yet and it's possible they could be too warm for anything other than cooler conditions. I have a 32" waist and the medium is perfect.

Pros: Great design, Build quality, Performance

Also Available

Arc'teryx Men's Eon SLW Boxer Photo

Black/black, Blue Moon and Buckeye.

Available sizes, while supplies last, include size small, size medium, size large, size extra large and size extra extra large: s, m, l, xl, xxl.

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