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White Mountain Backpacks Home > Fitting Backpacks > Torso Length Tables

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Torso Length Reference Tables

All recommendations, all tables, and all tables of specifications for White Mountain™ Internal Frame backpacks, assume that you have Measured your Torso Length in a Straight Line.

All tables updated as at March 2011 after further research into the correlation between White Mountain Backpacks, Frame Length, Lower Back Length, Torso Length, and Spinal Curvature. Remember the incremental adjustments on the White Mountain™ backpack harness systems assume that you have measured your Torso Length in a straight line. Regardless of Torso Length, simply subtract 3 cm if measuring along the curve of the spine to obtain the comparative figures for the tables below. Torso Length markings on White Mountain™ backpack harness systems use the Straight Line Torso Length measurement. For example, if your Straight Line Torso Length measurement is 50cm then this will correspond to 50cm on your White Mountain™ backpack harness system.

What is the Medium Torso Length for each Backpack?

All tables are stated using a Torso Length Straight Line Measurement
Hybrid & Hike Packs Net
Stave Length
Lower
Back Length
Medium
Torso Length
cm Inches cm Inches cm Inches
Extra Small to Small Torso Length
Alpine 55 50 cm 19 3/4" 14.00 cm 5 1/2" 38 cm 15 0/0"
Main Peak 55 Mk3 50 cm 19 3/4" 14.00 cm 5 1/2" 38 cm 15 0/0"
Main Peak 65 Mk2 50 cm 19 3/4" 14.00 cm 5 1/2" 38 cm 15 0/0"
Antarctica 55 Mk3 50 cm 19 3/4" 14.00 cm 5 1/2" 38 cm 15 0/0"
Antarctica 65 Mk2 50 cm 19 3/4" 14.00 cm 5 1/2" 38 cm 15 0/0"
Small to Medium Torso Length
Alpine 65 55 cm 21 5/8" 14.00 cm 5 1/2" 42 cm 16 1/2"
Ascent 55 55 cm 21 5/8" 14.00 cm 5 1/2" 42 cm 16 1/2"
Main Peak 65 Mk3 55 cm 21 5/8" 14.00 cm 5 1/2" 42 cm 16 1/2"
Antarctica 65 Mk3 55 cm 21 5/8" 14.00 cm 5 1/2" 42 cm 16 1/2"
Antarctica 75 Mk2 55 cm 21 5/8" 14.00 cm 5 1/2" 42 cm 16 1/2"
Medium to Large Torso Length
Ascent 65 60 cm 23 5/8" 14.00 cm 5 1/2" 46cm 18 1/8"
Main Peak 75 Mk3 60 cm 23 5/8" 14.00 cm 5 1/2" 46 cm 18 1/8"
Antarctica 75 Mk3 60 cm 23 5/8" 14.00 cm 5 1/2" 46 cm 18 1/8"
Large to Extra Large Torso Length
Main Peak 85 Mk3 65 cm 25 5/8" 14.00 cm 5 1/2" 50 cm 19 1/2"
Travel Packs Net
Stave Length
Lower
Back Length
Medium
Torso Length
cm Inches cm Inches cm Inches
Small Torso Length
Pacific 60 55 cm 21 5/8" 14.00 cm 5 7/8" 42 cm 16 1/2"
Euro Travel 60 MK2 55 cm 21 5/8" 14.00 cm 5 7/8" 42 cm 16 1/2"
Euro Travel 65 MK3 55 cm 21 5/8" 14.00 cm 5 7/8" 42 cm 16 1/2"
Holiday 60 MK2 55 cm 21 5/8" 14.00 cm 5 7/8" 42 cm 16 1/2"
Holiday 65 MK3 55 cm 21 5/8" 14.00 cm 5 7/8" 42 cm 16 1/2"
Medium Torso Length
Euro Travel 70 MK2 60 cm 23 5/8" 14.00 cm 6 1/4" 46cm 18 1/8"
Euro Travel 75 MK3 60 cm 23 5/8" 14.00 cm 6 1/4" 46cm 18 1/8"
Holiday 70 MK2 60 cm 23 5/8" 14.00 cm 6 1/4" 46cm 18 1/8"
Holiday 75 MK3 60 cm 23 5/8" 14.00 cm 6 1/4" 46cm 18 1/8"
Antarctica 75 60 cm 23 5/8" 14.00 cm 6 1/4" 46cm 18 1/8"
Large Torso Length
Euro Travel 80 MK2 65 cm 25 5/8" 14.00 cm 6 5/8" 50 cm 19 5/8"
Euro Travel 85 MK3 65 cm 25 5/8" 14.00 cm 5 1/2" 50 cm 19 5/8"
Pacific 80 65 cm 25 5/8" 14.00 cm 5 1/2" 50 cm 19 5/8"
Holiday 80 Mk2 65 cm 25 5/8" 14.00 cm 5 1/2" 50 cm 19 5/8"
Holiday 80 MK3 65 cm 25 5/8" 14.00 cm 5 1/2" 50 cm 19 5/8"


What is the accepted Backpack Size for each Stave Length?

All tables are stated using a Torso Length Straight Line Measurement
Stave Size Stave
Length
Medium
Torso Length
Accepted
Backpack Size
cm Inches Litres Cubic Inches
Extra Small 50 cm 38 cm 15 0/0" 45 - 55 litres 2,746 - 3,356 cu in
Small 55 cm 42 cm 16 1/2" 55 - 65 litres 3,356 - 3,967 cu in
Medium 60 cm 46 cm 18 1/8" 65 - 75 litres 3,967 - 4,577 cu in
Large 65 cm 50 cm 19 3/4" 75 - 85 litres 4,577 - 5,187 cu in


What is the Recommended Torso Length Range for each Internal Stave?

All tables are stated using a Torso Length Straight Line Measurement
Stave Size Stave
Length
Medium
Torso Length
Recommended
Torso Length Range
cm Inches cm Inches
Extra Small 50 cm 38 cm 13 3/8" 38 cm to 46 cm 15 0/0" to 18 1/8"
Small 55 cm 42 cm 15 0/0" 42 cm to 50 cm 13 3/8" to 19 3/4"
Medium 60 cm 46 cm 18 1/8" 46 cm to 54 cm 18 1/8" to 21 1/4"
Large 65 cm 50 cm 19 3/4" 50 cm to 58 cm 19 3/4" to 22 7/8"


What is the Maximum Torso Length Range for each Backpack?

All tables are stated using a Torso Length Straight Line Measurement
White Mountain™ backpacks are adjustable to one size smaller, or the equivalent of one stave length shorter. Although not recommended the adjustment below provides for those wishing to purchase a larger capacity backpack, and is done as follows:
  1. First, bend the top 5 cm of the Internal Stave away from the head at approximately 30 degrees from the vertical to create a smaller Internal Stave length.
  2. Next, contour the Internal Stave to the standard of the new smaller length.
  3. Finally, position the Upper Load Stabiliser Strap 5 cm lower using the ‘Upper Load Stabiliser Strap Lower Adjustment Buckle’ provided on the backpack.
This then allows the following range of adjustment for each backpack in the table below.
Stave Size Stave
Length
Medium
Torso Length
Minimum (After Modifying Stave)
Torso Length Range
cm Inches cm Inches
Extra Small 50 cm 38 cm 15 0/0" 34 cm to 46 cm 13 3/8" to 18 1/8"
Small 55 cm 42 cm 16 1/2" 38 cm to 50 cm 15 0/0" to 19 3/4
Medium 60 cm 46 cm 18 1/8" 42 cm to 54 cm 16 1/2" to 21 1/4"
Large 65 cm 50 cm 19 3/4" 46 cm to 58 cm 18 1/8"  to 22 7/8"

These measurements are unique to the White Mountain™ range of backpacks and take into account the allowable adjustment available on each backpack after careful construction of the White Mountain™ harness systems.
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White Mountain Backpacks, travel packs, hike packs, daypacks, manufacturer, retailer, fitting specialists, anatomically correct quality backpacks at the lowest prices. We specialise in FREE custom fitting of internal frame travel packs, hike packs, and daypacks; including backpacks of any brand purchased from other suppliers. To correctly customise online orders, all we need is your Torso Length. We offer premium quality, anatomically correct, high functioning backpacks at extraordinarily low prices when compared to any high quality competitor product. You also have the security and peace of mind dealing with one of the world's premium manufacturers of backpacks with exceptional performance, fit, comfort, and quality.