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Product Details


Washing & Handling Instructions:
Hand wash in cool water after each use with mild soap, no detergent or bleach. Hang dry away from heat. Do not iron or wring out.

Size Charts:


  1. The sizes listed are determined by your true measurement.
  2. Measure where the swimming bottoms will lie on your hips.
  3. The largest is your size.
  4. If your size is an odd number (27, 29, 31, etc.) increase the size by one.

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Product Reviews

Rated 4 out of 5 by from 1 or 2 Sizes Too Small (Triathlete/Runner Legs) I bought these in Jan'15, and followed the review advice of others and went larger than I would have normally, although my jeans are 30 or 32 (with a belt) I ordered 34s, and they're skin-tight. Easy to get on, and not uncomfortable, but as a long time runner/cyclist with pretty defined quads I echo the comments below - unless you have spindle legs order at least 1 size bigger, but 2 will be fine. That being said, I really like the fit and feel. I'm not sure if Hammer is using Euro sizing, but it would seem either someone mis-printed the sizing chart or the sizes from factory are coming out in error. They're consistent, but it would save returns for those who didn't read reviews (or didn't believe them) to fix the sizing stamped on each pair.
Date published: 2015-06-10
Rated 4 out of 5 by from Great look and feel. These Jammers have a great feel and seem to be made with quality materials. They have a slick look with great color scheme. The only drawback is they are designed with very slim legs. I had to order two sizes up to get a proper fit, and the leg seams still leave a pretty deep mark on my skin. I'm not sure they were designed with triathletes or lifters in mind.
Date published: 2015-05-03
Rated 5 out of 5 by from Too small. I needed a size 34 I wear a size 32 in shorts, jeans, and underwear, but the size 32 in Jammers was too small. I didn't want to hassle with returning them, so I gave them to a friend who usually wears a size 30. He rated them as excellent.
Date published: 2014-06-17
Rated 3 out of 5 by from Good for swimmers, average for triathletes/cyclist The fabric is solid and supportive, perhaps a little too around the quads.  Basically for a short-legged swimmer with smallish quads these jammers would be perfect, but I've got long femurs and cyclist's quads, so the seams are pretty tight.  The fabric is not translucent, so that's a positive. 
Date published: 2013-12-04
Rated 4 out of 5 by from Snug Rides a bit low (beware of plumber's crack), but material is snug & the suit fits almost like a second skin.
Date published: 2015-02-25
Rated 5 out of 5 by from Long lasting quality. These jammers last a lot longer than other brands I have had in the past. I swim 5 or 6 times a week and they have lasted over 18 months now and still hold the compression too. Sizing may be a bit different than you are used to but Hammer returns are easy.
Date published: 2015-10-09
Rated 4 out of 5 by from Comfortable, but runs small These are a little bit tight (suggest ordering one size up) and the legs are a couple inches shorter than what I am used to. Otherwise, these are comfortable and look great.
Date published: 2014-02-22
  • 2015-11-30T06:46CST
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