Size chart

Whether you’re looking for bike shoes that fit wide feet or the perfect shoe for race performance, we’re here to help you. Trek and Bontrager cycling shoes are designed for maximum comfort and optimal performance while riding. Use the chart below to learn how to measure your foot correctly.

Size BUST WAIST HIP
inches cm inches cm inches cm
XS (2-4) 32"-33" 81-84 24"-26" 61-66 33"-35" 84-89
S (4-6) 33"-34" 84-86 26"-28" 66-71 35"-37" 89-94
M (6-8) 34"-36" 86-91 28"-30" 71-76 37"-39" 94-99
L (10-12) 36"-38" 91-97 30"-32" 76-81 39"-41" 99-104
XL (12-14) 38"-40" 97-102 32"-34" 81-84 41"-43" 104-109
2XL (16-18) 41"-44" 104-112 35"-38" 89-97 44"-47" 112-119
3XL (18-20) 44"-47" 112-119 38"-41" 97-104 47"-50" 119-127
4XL (22-24) 48"-51" 122-129 42"-45" 107-114 51"-54" 130-137

Steps to Determine Your Shoe Size

To find the right shoe size for you, all you need is a blank sheet of paper and a pen. Follow these steps:

Step 1

Wear the socks you typically use while bike riding. Place a blank sheet of paper on a hard, flat surface against a wall. Stand on the paper with your heel touching the wall.

Step 2

While standing on the paper, use a pencil to trace the outline of your foot, paying special attention to the toe and heel areas.

Step 3

Flip the paper over and repeat 1,2 steps on your other foot; you will need measurements for both feet.

Step 4

For both feet, measure the distance from the heel line to the longest toe line. Compare this measurement with the size chart above to determine the correct size. If you find yourself between two sizes, round up to the larger size. If your feet are different lengths, use the longer measurement.

Steps to Determine Your Ideal Shoe Insole

Insoles come in various shapes based on brand and the shoe’s purpose, affecting width, depth, height, and overall fit. Trek and Bontrager offer shoes designed around several different insoles to meet all riding goals for maximum performance. The types includes: 

  • Trek Pro Last

This last features a snug, high-performance fit optimized for the rider’s movements. It replaces the Bontrager inForm Pro insole but is slightly wider at the ball of the feet, providing a better fit for more riders.

  • Trek Comp Last

The Trek Comp last offers a performance fit with a bit more room. It replaces the Bontrager inForm Race last and has been updated to better fit riders’ feet by widening the ball of the foot.

  • Bontrager inForm 
Race Last

This is a performance-fit last with a slightly roomier fit from the ball through the mid-foot.

  • Bontrager inForm Performance Last

A comfortable last with a flatter foot position, providing more versatility and utility.

  • Bontrager inForm Athletic Last

A relaxed, roomier fit similar to a cross-trainer, combining comfort for both on-bike and off-bike use.

To determine your ideal shoe insole correctly, follow these steps:

Step 1

Place your bare foot in a small amount of water, ensuring that the entire bottom of your foot is submerged in the water.

Step 2

Gently place your wet foot on a dark piece of paper so that it leaves a visible impression of your foot arch.

Step 3

Dry your foot, then compare the impression with the Trek Arch Index below to determine which of the three insole heights best fits your arch shape. Repeat these steps with your other foot.

Overview
Features
Sizing

All of the workout. None of the routine - Shoes Bontrager Cadence

Shoes Bontrager Cadence brings performance and style to the indoor studio. It's designed to help you ride beyond your fitness and indoor cycling goals, delivering the right fit for intervals on the bike, comfort during pre-ride stretches and post-ride burpees, and endless style on or off the bike. Compatible with two-bolt, SPD-style cleats.

Product Details

inForm Athletic last offers a roomier fit for on- and off-bike comfort. A single BOA® L6 dial for precision fit and easy micro-adjustments. Mesh main material in upper allows for maximum breathability. Cushioned EVA foam midsole for all-day comfort. Sturdy sole with great traction for excellent walkability. 2-bolt SPD-style compatible (cleats and pedals sold separately). Slip-on construction makes for easy on-and-off and ensures neoprene tongue stays put. The heel counter provides a great heel lock for power transfer and prevents heel slip with cats’ tongue material.

 

The ultimate indoor cycling shoe

The ultimate indoor cycling shoe

Go from indoor cycling workouts to post-ride yoga without missing a step. Cadence has the right bike-specific features for on-bike performance and a comfortable, walkable sole for your off-bike fitness routine.

 
The right fit for fitness

The right fit for fitness

Cadence is built on Bontrager's inForm Athletic last, which provides a slightly roomier fit like a traditional cross trainer for on-bike performance and off-bike comfort.

 
Extra spring in your step

Extra spring in your step

The cushioned EVA foam midsole delivers all-day comfort.

 

Size

36

37

38

38.5

39

40

40.5

41

41.5

42

42.5

43

43.5

44

44.5

45

45.5

46

47

48

US Men

3.5

 

4

 

5

 

5.5

 

6

 

7

 

7.5

 

8

 

8.5

 

9

 

9.5

 

10

 

10.5

 

11

 

11.5

 

12

 

12.5

 

13

 

14

 

14.5

 

US Women

5

 

5.5

 

6.5

 

7

 

7.5

 

8.5

 

9

 

9.5

 

10

 

10.5

 

11

 

11.5

 

12

 

12.5

 

13

 

13.5

 

13.5

 

14.5

 

15.5

 

16

 

UK Men

2.5

 

3

 

4

 

4.5

 

5

 

6

 

6.5

 

7

 

7.5

 

8

 

8.5

 

9

 

9.5

 

10

 

10.5

 

11

 

11.5

 

12

 

13

 

13.5

 

UK Women

4

 

4.5

 

5.5

 

6

 

6.5

 

7.5

 

8

 

8.5

 

9

 

9.5

 

10

 

10.5

 

11

 

11.5

 

12

 

12.5

 

13

 

13.5

 

14.5

 

15

 

CM

23

 

23.7

 

24.3

 

24.7

 

25

 

25.7

 

26

 

26.3

 

26.7

 

27

 

27.3

 

27.7

 

28

 

28.3

 

28.7

 

29

 

29.3

 

29.7

 

30.3

 

31

 

Heel to toe (cm)

22.4

 

23.1

 

23.7

 

24

 

24.3

 

25

 

25.3

 

25.5

 

25.9

 

26.2

 

26.5

 

26.9

 

27.1

 

27.4

 

27.8

 

28.1

 

28.3

 

28.7

 

29.3

 

29.9

 

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