On Size charts

Are you unsure which size you should order the item in? You can find all the size charts for the brand On here; for men, women and kids in the standard sizes:

Backpacks -

Unit of measurement Size
INT. XXS XS S M L XL
Chest (cm) 80 - 84 85 - 89 90 - 95 96 - 101 102 - 108 109 - 115

Did you find the right size? View Unisex Trail running backpacks now in the On online shop!

Outerwear - Men

Unit of measurement Size
INT. S M L XL XXL
Chest (cm) 90-93 96-99 102-105 108-111 114-118
Waist (cm) 77-80 83-86 89-92 95-98 101-105
Hips (cm) 90-93 96-99 102-105 108-111 114-117

Did you find the right size? View Men Long & short sleeve shirts | Outdoor vests & gilets | Outdoor jackets | Base layers | Jumpers & hoodies now in the On online shop!

Outerwear - Women

Unit of measurement Size
INT. XS S M L XL
Chest (cm) 82 85-88 91-94 98-102 106-111
Waist (cm) 67 70-73 76-79 83-87 92-97
Hips (cm) 90 93-96 99-102 106-110 114-118

Did you find the right size? View Women Long & short sleeve shirts | Outdoor vests & gilets | Outdoor jackets | Base layers | Jumpers & hoodies now in the On online shop!

Shoes - Men

Unit of measurement Size
EU 40 40,5 41 42 42,5 43 44 44,5 45 46 47 47,5 48 49
US 7 7,5 8 8,5 9 9,5 10 10,5 11 11,5 12 12,5 13 14
UK 6,5 7 7,5 8 8,5 9 9,5 10 10,5 11 11,5 12 12,5 13,5
Foot length (cm) 25 25,5 26 26,5 27 27,5 28 28,5 29 29,5 30 30,5 31 31,5

Did you find the right size? View Men Climbing shoes | Outdoor shoes now in the On online shop!

Shoes - Women

Unit of measurement Size
EU 36 36,5 37 37,5 38 38,5 39 40 40,5 41 42 42,5 43
US 5 5,5 6 6,5 7 7,5 8 8,5 9 9,5 10 10,5 11
UK 3 3,5 4 4,5 5 5,5 6 6,5 7 7,5 8 8,5 9
Foot length (cm) 22 22,5 23 23,5 24 24,5 25 25,5 26 26,5 27 27,5 28

Did you find the right size? View Women Climbing shoes | Outdoor shoes now in the On online shop!

Socks - Men

Unit of measurement Size
INT. S M L XL XXL
EU 40-41 42-43 44-45 46-47 48-49
US 7/8 8,5/9,5 10/11 11,5/12,5 13/14

Did you find the right size? View Men Outdoor socks now in the On online shop!

Socks - Women

Unit of measurement Size
INT. XS S M L
EU 36-37 38-39 40-41 42-43
US 5/6 7/8 85/9,5 10/11

Did you find the right size? View Women Outdoor socks now in the On online shop!

Trousers - Men

Unit of measurement Size
INT. S M L XL XXL
Waist (cm) 77-80 83-86 89-92 95-98 101-105
Hips (cm) 90-93 96-99 102-105 108-111 114-117

Did you find the right size? View Men Outdoor trousers now in the On online shop!

Trousers - Women

Unit of measurement Size
INT. XS S M L XL
Waist (cm) 67 70-73 76-79 83-87 92-97
Hips (cm) 90 93-96 99-102 106-110 114-118

Did you find the right size? View Women Outdoor trousers now in the On online shop!

This is how to measure correctly ...

Tip: Have someone else help you with the measurements - the results will be more precise! If your measurements are between sizes we recommend ordering the larger of the two.

Measure the body


1. Body height
... from the top of the head to the ground – it is best to measure against a wall.
2. Arm length
... measure the arm length from the shoulder joint to the wrist. Keep the elbow slightly bent (if there is no other measurement guide above the size chart)..
3. Leg length
... Outside length of the leg from the hip joint to the ankle.
4. Inside leg length
... the distance between the top of the inside leg to below the ankle.
5. Neck
... measure the thickest part of the neck (just below the Adam's apple for men).
6. Chest
... measure around the widest part of the chest, generally above or at the nipple line.
7. Waist
... measure just above the navel without pinching.
8. Hips
... measure the widest part around the bottom.
9. Leg
... measure the widest part around the thigh.

Measure the feet

Measure the feet

Foot length
... measure from the back of the heel to the tip of the big toe.

Measure the legs

Measure the legs

1. Calf
... Circumference of the largest part of the calf.
2. Ankle
... Circumference of the smallest part of the leg just above the ankle.

Did you order the wrong size? Not a problem, just send the item back to us! You can easily and simply return your order within 100 days.