Pearl Izumi Men's Summit AmFIB Pant (Black) (28)

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Pearl Izumi Men's Summit AmFIB Pant (Black) (28)
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Pearl Izumi Men's Summit AmFIB Pant is for when you’ve got to be out there, no matter the conditions. Improved water-resistant and windproof AmFIB fabric is surprisingly soft and features four-way stretch to allow an unrestricted pedal stroke. The permanent PI Dry water-shedding technology adds another level of weatherproofing that will last the life of the pant. They employ Thermal fleece panels treated with PI Dry behind the knees for pedaling comfort and temperature regulation. This is the pant for freezing temps; it’s Pearl Izumi's warmest bottom.

Note: These pants run large. We recommend sizing down if you are in between sizes.


  • ELITE AmFIB Softshell fabric offers wind and water protection
  • Thermal Fleece fabric with water shedding PI Dry technology on back of knees
  • PI Dry technology for permanent water-shedding performance
  • Two zippered Trail Access pockets keep necessities easily accessible
  • External hook-and-loop waist adjustments provide a secure, sag-free fit with less bulk
  • Tailored mountain bike specific fit

Application: Multi-Element
Reflectivity: -
Ankle Zipper: -
Color: Black

This product was added to our catalog on July 15, 2021

Verified Owner
Tuesday, Nov 30 2021 (7 months ago)
Pearl Izumi Men's Summit AmFIB Pant (Black) (30)
I'm 5'8", roughly 155 pounds, and these fit great in a Small. I have room to move and theoretically put on another layer underneath if needed but so far these pants have been amazingly warm in sub 30 degrees and windy! I will be wearing these all winter and looking for a jersey to match ASAP.
Verified Owner
Wednesday, Apr 14 2021 (about a year ago)
Pearl Izumi Men's Summit AmFIB Pant (Black) (32)
I'm a little heavier then 32 inch but 32 fits me fine, haven't had cold weather yet but they seem very warm... and I love the little tabs on the sides that act as drawstrings
Verified Owner
Saturday, Mar 27 2021 (about a year ago)
Pearl Izumi Men's Summit AmFIB Pant (Black) (30)
I was looking for a substitute to the Showers Pass Elite pants and I think I found it in Pearl Izumi. These pants are very well constructed. They fit perfect on me. The two snaps over the zipper is a great design move. And the velcro on either side of the waist allows that extra touch to snug up the pants when riding. The lining is very comfortable and warm. So far, I'm very pleased. Looking to see how they wear overtime.
Verified Owner
Saturday, Jan 30 2021 (about a year ago)
Pearl Izumi Men's Summit AmFIB Pant (Black) (30)
I got these for my boyfriend. He loves them. Comfortable and warm. Fit was right on. Looking for the women's version for myself now.
Verified Owner
Thursday, Jan 28 2021 (about a year ago)
Pearl Izumi Men's Summit AmFIB Pant (Black) (32)
Very warm, good looking pants, the fit is large though. I wear 34-36 in jeans so I ordered 36. They looked like circus clothes, so I returned them ordered 32. They still fit loose, but I am afraid to try 30s due to $17 shipping back to Nashbar.
But I do love them, did I say they were very warm, and they look great going into Home Depot after a ride!
Verified Owner
Wednesday, Jan 13 2021 (about a year ago)
Pearl Izumi Men's Summit AmFIB Pant (Black) (36)
Can't say much other than the sizes run very large. I ordered size 36 and it is huge, the waist measures 40".
I returned them for 32's, we'll see how they fit.

Measurement Guide:

  1. Chest- Measure circumference around fullest part, across bust points, keeping the tape horizontal
  2. Waist- Measure circumference around the narrowest part (typically the small of the back where the body bends to the side), keeping tape horizontal
  3. Hips- Measure circumference around fullest part of hips keeping the tape measure horizontal
  4. Inseam- Inseam refers to the length of the garment, from the crotch seam to the hem

Measurement Guide Notes:

  • Use the chart to determine size
  • If measurements are between two sizes, sizing down will provide a tighter fit while sizing up will provide a looser fit
  • If the measurements for the chest and waist correspond to two different suggested sizes, choose the size indicated by the chest measurement
  • If measurements for hips and waist correspond to two different suggested sizes, choose the size indicated by the hip measurement
Circumference (in)
Circumference (in)
Inseam (in)
2827.5 - 29"32.5 - 34"32"
3029 - 31"34 - 36"32"
32-M31 - 33"36 - 38"32"
3433 - 35"38 - 40"32"
3635 - 37"40 - 42"32"
3837 - 39"42 - 43.75"32"
4039 - 41"43.75 - 45.25"32"
4241 - 43"45.25 - 46.5"32"

Note: All measurements are provided by the manufacturer and may vary depending on how measurements are acquired.