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7mesh is different because we design to your dimension and articulate our gear for an on the bike fit. Check out our size guide  to get the perfect fit.

Fit & Sizing

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Women's

Women's Bibs and Tights

Women's Gravel

Women's Mountain

Bibs & Tights

B2X Industry

B2X 7mesh Staff

B2X Employee Purchase

B2X Industry Special

B2X Ambassador

B2C Retail

Women's Warm Weather Riding

End of Summer Sale

Full Price Collection

Foundation is an incredibly comfortable undershort bib, designed to cushion and support beneath baggies on local trails, and while taking in new terrain over multi-day trips.

Foundation is an incredibly comfortable undershort bib, designed to cushion and support beneath baggies on local trails, and while taking in new terrain over multi-day trips.

Women's Foundation Bib Short

Black / XS

Black / S

Black / M

Black / L

Black / XL

Get out there this Spring with fresh styles and new colours!

Shop now and save 20% EXTRA on sale products for a limited time!

Pull2P configuration for no-fuss rest stops

Buttery soft and stretchy bib straps

Two large jersey-style rear pockets

Features

The model is 5'5 with a 36" hip and a 20.5" thigh and is wearing size small.

Find the perfect size

Foundation is an incredibly comfortable padded women's undershort, designed to cushion beneath baggies during done-in-a-day rides, or while taking in new terrain over extended trips.

Foundation is an incredibly comfortable padded women's undershort, designed to cushion beneath baggies during done-in-a-day rides, or while taking in new terrain over extended trips.

Women's Foundation Short

Women's Pants & Shorts

Pants & Shorts

Mid Summer Sale

Our dirty love letter to enduro mountain biking: a light and agile trail short developed and tested in partnership with our EWS racing ambassadors, now faster, comfier and even more flexible.

Our dirty love letter to enduro mountain biking: a light and agile trail short developed and tested in partnership with our EWS racing ambassadors, now faster, comfier and even more flexible.

Women's Slab Short

Men's

Unisex

Accessories

Women's New This Spring

Men's New this Spring

Men's Warm Weather Riding

BF20

The 7mesh x Ciele GoCap is lightweight, fast drying, and performance-ready. It features COOLmatic fabric, and 100% recycled performance fibre.

7mesh GOCap

Women's Sale

Women's Trail Shirts

A fun and fast-moving short sleeve technical trail shirt made with durable UPF 50+ fabric.

Women's Roam Shirt SS

Think of the Foundation bib as a base layer for your lower half. Made with an airy, open mesh and an innovative, free-feeling chamois, the Foundation invites refreshing airflow right where it’s needed, and dries fast during even intense efforts in hot environments. At the rest stop, Pull2P means you won’t have to remove outer layers to take a nature break.  

For extended expeditions, the Foundation features two roomy back pockets to complement storage on the bike, giving you the option to wear a simple tech tee or regular top instead of a cycling jersey with storage.  

Description

Chamois: Elastic Interface women's Performance Force

Women’s Performance Force chamois with low bulk front and side for invisible feel

Inseams

Care Instructions

The Foundation is an incredibly comfortable undershort bib, designed to cushion and support beneath baggies on local trails, and while taking in new terrain over multi-day trips.

Women's Foundation Bib Short - Women's Mountain Bike Bib | 7mesh

Products that blend performance fabrics with highly articulated patterns to create a close-fit that feels like an extension of your body. Skin Fit apparel improves aerodynamics, moisture management and thermal efficiency.

Skin Fit

I love this bib for trail and groad! The leg bands aren't too restrictive, and it's one item I seldom think about while riding because it does the job well!

So comfy!

I've looked for years for this short! It's exactly what I want: a liner bib short that I can pull down for bio-breaks! Just note it's still a bit of a gentle pull-down, not a yank, but the shorts are very comfy and very convenient. 
For reference, the fit is base layer-style, body-hugging and I'm 5'4", 118 lbs, and wear size XS.

I've looked for years for

Super light, breathable and comfortable liner! It’s good on a MTB or gravel ride, I don’t know what I was doing without it before!

Super light, breathable and comfortable

Not cheap but worth the price for a well-made light and breezy chamois. 

Really comfy bib straps - stays up but no pulling on my shoulders, don’t notice it under a pack. 

Only issue is that I don’t find it as easy as advertised to pull these down to pee trailside.

Not cheap but worth the

While the WK3 cargo bibs are my favourite for long rides or multi-day trips, I love these for shorter outings, especially in hot weather as the mesh design allows for lots of airflow when worn under shorts. The chamois is comfortable and doesn't budge at all!

While the WK3 cargo bibs

I heard some mixed reviews on these guys, mostly on the fit of the pad against the butt and the shape. Oh boy, they were SO wrong. 

Extremely comfortable and I beyond adore the breathability on these guys, especially with this heat, they have become my absolute fave bib. The only comment is that women tend to have long legs, but shorter torsos. I would love to see some way to adjust the length of the straps, as I have a relatively short torso and the straps don't provide AS much tension as I would like them to for a more comfortable fit.

Regardless, they are still my fav :>

I heard some mixed reviews

I purchased these bib shorts about a month ago. I love them. They’re well made and super comfortable. I actually don’t even notice I have them on when I’m on my bike. I like how the leg cuff stays put but doesn’t cut into my skin. I’m looking forward to seeing how the mesh performs in the summer, but I suspect it’ll be cooler. Also the bib fits in general with nothing bunching up around my waist. I’d recommend these to anyone.

I purchased these bib shorts

Definitely enjoy the breathability of these shorts (why I wanted to give them a try)...but did not enjoy the chamois- did not find them them comfortable as it seems to have a lot more coverage towards the back than the front. I also am usually a size small and these fit large....as the mesh seems to stretch more and makes the short feel larger. Definitely prefer the WK2 bibs (I love them) to these and would not purchase them again.

Definitely enjoy the breathability of

This bib short is great for mountain biking. Lots of ventilation and good length under my mountain bike short, hits above the knee. Note the legs are made of mesh material, I didnt realize this when I purchased but it worked out. I am typically a size large but needed to size down to a medium. Hoping the mesh will endure all the falls over time.

This bib short is great

I'm a big fan of bibs for enduro / all mountain riding - I find standard chamois shorts often end up with gravity pulling down and causing them to bunch in not so pretty places, where bib shorts come up higher, stay put, and give you that nice flat yoga pants feeling. These particular bibs are beautifully made, and very comfortable both on and off the saddle. The fabric, compared to most other bibs is way more breathable, and the wide leg bands stay in place and don't pinch. If you're worried about sizing, I'd say go to the larger size as they fit true to size, but perhaps a bit on the trimmer side of the scale. Great bibs for your everyday rides or those longer grinds in the saddle!

I'm a big fan of

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.

Trim Fit

Perfect for layering or a more laidback vibe, Relaxed Fit products combine articulated patterns with an eased shape that works on or off the bike.

Relaxed Fit

For jerseys and tops, the chest is the most crucial measurement followed by the natural waist.

Women's tops sizing guide

For jerseys and tops, the chest is the most crucial measurement followed by the natural waist.

Men's tops sizing guide

Unisex socks sizing guide

For overshorts, pants and tights, the hip is the most crucial measurement to achieve the right fit. Consult the thigh measurement if the garment is skin or trim fit.

Men's bottoms size guide

For overshorts, pants and tights, the hip is the most crucial measurement to achieve the right fit. Consult the thigh measurement if the garment is skin or trim fit.

Women's bottoms size guide

Warmers should fit tightly, almost like a second skin. The thigh should fit snug to keep the warmers in place. See individual product page for inseam length measurements.

Unisex leg warmer sizing guide

Warmers should fit tightly, almost like a second skin. The thigh should fit snug to keep the warmers in place. See individual product page for inseam length measurements.

The right fit is crucial to a comfortable ride. The chamois should be tight in the hip and thigh and feel like a second skin.

Women's chamois size guide

The right fit is crucial to a comfortable ride. The chamois should be tight in the hip and thigh and feel like a second skin.

Men's chamois size guide

Warmers should fit tightly, almost like a second skin. The bicep should fit snug to keep the warmers in place. See individual product page for sleeve length measurements.

Unisex arm warmer sizing guide

Warmers should fit tightly, almost like a second skin. The bicep should fit snug to keep the warmers in place. See individual product page for sleeve length measurements.

For longer garments such as jackets, chest and natural waist measurements are most crucial, however you can also take your hip measurement into consideration.

We also accommodate a cycling reach sleeve length on all garments. See individual product page for sleeve length measurements.

Men's Jackets Size Chart

For longer garments such as jackets, chest and natural waist measurements are most crucial, however you can also take your hip measurement into consideration.We also accommodate a cycling reach sleeve length on all garments. See individual product page for sleeve length measurements.

Women's jackets sizing guide

Men's accessories sizing guide

Women's accessories sizing guide

The right fit is crucial to a comfortable ride. The boxer brief should be tight in the hip and feel like a second skin.

Men's boxer brief size guide

The right fit is crucial to a comfortable ride. The boxer brief should be tight in the hip and feel like a second skin.

The right fit is crucial to a comfortable ride. The brief should feel snug and like a second skin.

Women's brief size guide

The right fit is crucial to a comfortable ride. The brief should feel snug and like a second skin.

Women's Foundation Bib Short

Complete the kit

Women's Foundation Short

Women's Slab Short

7mesh GOCap

Women's Roam Shirt SS

Features

Pull2P configuration for no-fuss rest stops

Buttery soft and stretchy bib straps

Two large jersey-style rear pockets

Find the perfect size

Review Overview

Customer reviews

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Women's Foundation Boxer Brief

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Shipping & Returns

Crash Program

Fit & Sizing