Arc'teryx Phase SL Boxer Short - Men's


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Step into the future with the Arc'teryx Men's Phase SL Boxer Short, underwear that adjusts to your level of activity. Lightweight and engineered for optimal moisture management, these boxers aids temperature regulation during active phases, then broadly disperse moisture to evaporate quickly during rest periods to keep you comfortable. The Arc'teryx Phase SL Boxer Short for men also uses encapsulated silver-ions that provide durable and long-lasting odor control.


  • Material: Phasic™ SL
  • Minimal odor retention
  • Antimicrobial, odor-control fabric treatment
  • Hydrophobic materials will not absorb water
  • Mechanical stretch textile for unrestricted mobility
  • Fabric is inherently stretchy without the use of Spandex fibers, making it more durable
  • 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

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Review Summary

4.7 out of 5

6 Reviews

  • Performance: 3
  • Build quality: 2
  • comfort: 1
  • comfortable: 1

  • Cost: 1
  • slim fit: 1
Comfort: 4.6 / 5
Durability: 4.6 / 5
Quality: 4.6 / 5
Fit: 3 / 5

6 Ratings & Reviews


from Atlanta, GA

February 16, 2011

These boxers are extremely lightweight and yet very comfortable. These are the key criteria for me. The fit and the fabrics are both very suitable for me and once I have put them on I forget about them completely. The light weight was the reason I selected them but the comfort was a surprise bonus. I got the small size and they weigh 52 grams. They are super thin and so take up very little space. They are very easy to wash and they air dry fast, so you don't need to take many on a long trip; just one or two will do.

Pros: Build quality, light weight, comfortable
Comfort: 5 / 5
Durability: 5 / 5
Quality: 5 / 5
from fremont, ca
35-44 yrs

arcteryx boxer
May 04, 2011

I bought 2 of these boxers and I must say that they are awesome! I use them mostly to train at the gym. THey are super comfortable. I would recommed sizing up on these. Im 5-8, 160 and bought a large. The medium was a bit to tight for me. Overall, during my running and gym workeouts this boxers retains its shape and is odor free. I wish that they make more different colors in the future than the basic gray.

Pros: Great design, Performance, Cons: slim fit
Comfort: 5 / 5
Durability: 5 / 5
Quality: 4 / 5
FitClothes: 3 / 5

March 14, 2011

Great stuff... incredibly comfortable, and appears to have great quality. Bought some before and was quite satisfied so I ordered some more. Highly recommend.

Pros: comfort, Cons: Cost
Comfort: 5 / 5
Durability: 5 / 5
Quality: 5 / 5
FitClothes: 3 / 5
from Kansas
45-54 yrs

Arc'teryx Top to Bottom
May 15, 2012

I started with the SL shirts and moved to the SL Boxers. I use to wear Under Armor boxers but I have found the SL boxers to be cooler and they retain less moisture. Just like the shirts you hardly even know they are there and you feel like you are going Rambo.

Pros: Build quality, Performance, light, moisture wicking
Comfort: 4 / 5
Durability: 4 / 5
Quality: 5 / 5

from Long Island, NY
45-54 yrs

Lightweight and comfortable
April 28, 2011

I'm a big fan of the Patagonia classic capeliene boxers but now and then I like something a little more supportive. These are quite comfortable. The only negative is that they tend to bunch up over my leg now and then. This might not be a problem for everyone, just figured I's mention it. I'd give them 9 out of 10 stars if we had such a rating scale!

Pros: Performance
Comfort: 4 / 5
Durability: 4 / 5
Quality: 4 / 5

Good product
January 04, 2011

These are good boxer shorts. Quality and fit are what you would expect from Arcteryx. I still prefer under armour though.

Also Available

Arc'teryx Men's Phase SL Boxer Short Photo

Black, Cinnabar, Dark Moss, Stonecastle, Summit Sky and Thalo Blue.

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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