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Size Guide

Your Fit, Your Ride, Your Size

At Birds on Bikes, we design cycling clothing that’s made to fit real women — in all our glorious shapes and sizes. Our size range spans sizes 6 to 24, and each garment is thoughtfully cut for comfort, movement, and support on and off the bike.

Use the charts below to find your best fit, and remember: it’s not about the number — it’s about how you feel in it.

lady measuring waist with a tape measure

How to Measure

Use a flexible tape measure over underwear or close-fitting clothes. Stand naturally and keep the tape snug, not tight.

Bust – around the fullest part of your bust

Waist – around the narrowest point of your waist

Hip – around the fullest part of your hips

Shorts, Pants & Leggings

Jerseys & Tops

Fit Notes

  • All garments are cut with stretch for movement and comfort
  • Between sizes? Size up for a relaxed fit, size down for compression
  • Bibs & knicks - focus on hip and waist measurements
  • Tops & tees - focus on bust and waist measurements

Still Not Sure?

We want you to love every ride in your Birds on Bikes gear. If you're unsure about sizing or sitting between two sizes, just reach out, we're happy to help you find your perfect fit.

TRY BEFORE YOU BUY
Try up to 3 items
Home try-on
 
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Step 1:
Browse items you'd like to order
Step 2:
Use the 'Add to Cart' button to add your new exchange items to the cart.
Step 3:
Checkout as usual with the same email or phone number to complete your exchange order.
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Please note: Processing your exchange may take up to one minute after placing your order.