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Women's Thunder Pant

80 % of 100
New Colours
When it’s cold and wet, the only thing that can keep your lower half all day-dry is waterproof pant - a Thunder Pant, to be exact.

Have a question? We'd love to hear about your next adventure.


Thunder Pant came to life because we were tired of getting soaked in Squamish. The rain comes from all angles in British Columbia’s wettest town, and while our tops were toasty, our legs needed shelter. So we started working on fully waterproof trail longs that wouldn’t stand out as being anything other than awesome adventure pants - until it rains.

We made Thunder Pant with GORE-TEX® Pro and the most durable GORE-TEX® to offer a combination of impregnable water protection, best-in-class breathability, and exceedingly high levels of durability in repeat friction areas like the seat and upper legs. And it’s built to put on while wearing shoes - even over other pants - thanks to the velcro-secured stretch fabric at the end of the legs, and watertight zippers. A fly-free front gives way to stretch panels and straightforward side buckles at the waist to help dial in a perfect fit.

But what about your legs? We noticed through careful analysis that people have different leg lengths. So in the spirit of choose-your-own-adventure, we left the length up to you. Go for a spin, and if there's too much Thunder, trim the hem with scissors along the pre-marked lines.

Find out how to trim Thunder Pant to get the perfect length here →



  • High wear areas - GORE-TEX® 3L, 70d, 100% nylon plain weave, Tricot backer
  • Contrast - GORE-TEX® PRO 3L, 30d, 100% nylon plain weave, Microgrid backer
  • Leg zips - #5 Watertight Vislon


  • Trim-to-length inseam. Learn how to trim to get the perfect length here →
  • GORE-TEX® most rugged fabric at seat and upper legs
  • GORE-TEX® most breathable PRO at lower legs and waist
  • Fully taped GORE-TEX® construction riding gusset construction (minimizes seams where pants typically fail)
  • Watertight leg zippers for putting on with shoes and double slider for venting
  • Integrated waist adjusters
  • Watertight zippered pocket
  • Articulated knees
  • Large reflective details


  • X-Small: 32" - 81cm
  • Small: 32 3/4" - 83cm
  • Medium: 33 1/2" - 85cm
  • Large: 34 1/4" - 87cm
  • X-Large: 35" - 89cm
  • Thunder Pant's hem can be trimmed by up to 3" - 7.5cm
  • Trimmed pants cannot be returned or exchanged


  • 275g

Care Instructions


  • Machine Wash 40'C
  • Do Not Bleach
  • Tumble Dry Low
  • Iron Low
  • Do Not Dry Clean

Gore-Tex Product Care Page



Made with GORE-TEX® Pro for superior waterproof protection and breathability. Passes the Gore-Tex® “Guaranteed to Keep You Dry” standard, a guarantee that waterproofness reliably holds up for the life of the piece.

Crash Replacement

Crash Replacement

Hit the hills and go full out on the flats without worrying about keeping the rubber side down. To ease your mind and stay focused on the ride, we offer a Crash Replacement Policy.

Trim Fit

Trim Fit

Designed to sit slightly off the body, Trim Fit products provide some room for light layering and feature mechanical (fabric) stretch or elastane, combined with articulated patterns.

Product Reviews

  1. Sheila

    Good product

    Nice and form-fitting, light weight, totally waterproof. My only recommendation would be to have another inch or two of webbing at the waist pulls so you don't have to rethread them through the buckles each time you pull them on.
  2. Rach W

    Ridiculously good!

    I wore these pants for three days back to back in grim conditions, constant rain. At the end of each day I stayed dry, not even dampness from sweating in gortex pants. The trim fit means they are great for pedalling and don't get caught on the bike or saddle. I'm 162cm and a UK size 10. I ...

  3. Sarah

    10 months later

    I’m still dry, but I’m beginning to doubt putting my money toward high-end, waterproof breathable pants for mountain biking. The wear from my saddle, despite washing often, is frightening (whitening and seams nearly worn through). I’ve also ripped the belt loop off on one side, which left a ...

  4. Lauren

    Thunder Pant for the WIN

    This is the best bike related product I have purchased in years! I have had these beauties about a month now and they have seen a LOT of use as they are ideal to ride in cooler temps, rain, snow or whatever Mother Nature has in store. They are true to size, fit beautifully, and most importantly 100% ...

  5. Sarah

    The right pant for the season

    I was blown away by the quality of these pants. They are lightweight, flexible and tough, with great features. I've worn them on the road and in the mountains in the rain, mud and snow and have had no issues. The adjustable waist and velcro ankles make the fit very accommodating. I am 5'1 ...

  6. Hafowler

    Needs work on the upper half

    I was excited to get these in the mail today, as I am looking forward to some fall riding. I ordered a L and Xl (am a 29/10 in pants) because the size chart indicated I'd be on the cusp of these two sizes. To get the larges on I had to undo the side buckles to get the pants on, which ...

  7. Steph

    Staff Pick!

    I live in these - even when it isn't raining, if there is a chill in the air I toss them on - I tend to run cold and these keep me cozy without over heating. Barely feel them while riding, have worn them with everything from Foundation Bib to base layer to jeans for commuting. Absolutely love ...

  8. Britt

    Cold weather riding must have

    I’ve worn these almost everyday riding since I got them late September. They’re really comfortable to pedal in and knee pads fit well on the inside. It’s been really pleasant to stay dry and warm on some really cold days. Easy to zip off over riding shoes, which is really convenient. I ...

  9. Nicole

    A must-have for the shoulder seasons

    These pants are essential as the weather changes in the fall/winter. Keeps me dry and warm. They fit true to size, and I love the trim to fit feature for adjusting the length of the pants easily. They also pack easily if you decide to carry them along for the ride. Thank you, 7mesh!

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