Multi-Day Backpack
Joan Wu Chambers
2013 Spring Hiking Program
AMC Hiking Backpacking Committee
Why Backpack?
Enjoy The Wild Life
Enjoy The Company
Mountains Create Their Own Weather
Be Prepared for Bad Weather
Always backpack with adequate
clothing, shelter, food, and water
Almost no wind
Visibility: 100 miles
Wind: 60 mph
Visibility: 25 feet
Respect The Wild Life
Respect Park Regulations
(e.g., Bear Canister/Spray)
2.7 lbs
10 liters
8.8 in. (dia.)
by 12 in. (h)
Physical Limitations
(No more than
¼ of Your Weight)
Photo credit: Joan Wu Chambers (Routeburn Track, New Zealand)
Types of Backpacks
Pack Fits Your Torso
Sternum
Strap
Torso Measurement
Shoulder
Lifter Strap
Sternum
Strap
7th Vertebra
Torso
Length
(14-21”)
Hipbelt
Hip Crest
How to Choose Backpacks
_Length_ Volume
1-2 nights 20-50 L
3-5 nights 55+ L
6+ nights* 65+ L
__Variation
_Factors__
•Body Type (Torso)
•Trip Length & Type
•3-Season or Winter
•Comfort Style
•UL Packing Techniques
Osprey Atmos 65 Pack - Medium
18 Inch
Torso
Size
cu in
liters
lb/oz
S
M
L
3783
3967
4150
62
65
68
3/06
3/09
3/10
kg
Torso Waist
1.53 <18
25-35
60-80 lbs
1.59 18-21 28-38
1.64 20+
33+
REI Mars (2005) Pack - Large
20¼ Inch
Torso
Size
cu in
liters
lb/oz
M
L
4822
5200
80
85
5/12
5/14
kg
Torso Waist
60-80 31-37
lbs
2.61 18-20
2.66 19-21 34-40
REI Mars 85 Pack - Large
20 Inch
Torso
Size
cu in
liters
lb/oz
kg
Torso Waist
M
L
5187
5370
85
88
6/0
6/6
2.7
2.9
60-80 31-37
lbs
18-20
19-21 34-40
Mountainsmith Haze 50 – M/L Ext
20 Inch
Torso
Size
cu in liters lb/oz
S/M Ext 3050
M/L Ext 3234
50
53
1/13
1/15
kg
Torso Waist
60-80 28-38
lbs
0.82 15-18
0.88 18-22 30-54
Black Diamond Innova 60 Pack - M
17.5 Inch
Torso
Size
cu in
liters
lb/oz
S
M
3487
3660
57
60
3/12
3/13
kg
Torso Waist
1.70 15-19
60-80 30-35
lbs
1.74 17-21 34-39
Starlite Ultralight Pack - Medium
20 Inch
Torso
Size
cu in liters oz oz w/ stay Torso Waist
Main
3000 49.0
Extension 400 6.5
Pockets
800 13.0
Total
4200 68.5 25
60-80 lbs
30
15-22 26-44
Osprey Exos 58 Pack - Large
18 Inch
Torso
Size
cu in
liters
lb/oz
S
M
L
3356
3539
3722
55
58
61
2/07
2/08
2/10
kg
Torso Waist
1.11 <18.5
<31
60-80 lbs
1.14 18-20 30-34
1.18 20+
33+
Osprey Aether 70 Pack - Medium
19.5 Inch
Torso
Size
cu in
liters
lb/oz
S
M
L
4089
4272
4455
67
70
73
4/08
4/12
4/15
kg
Torso Waist
2.04 <18.5
<31
60-80 lbs
2.14 18-20 30-34
2.24 20+
33+
Granite Gear Crown 60 - Medium
18-21 Inch
Torso
Size
cu in
liters
lb/oz
kg
Torso Waist
Reg
Tall
3660
4000
60
65
2/02
2/04
0.9
1.0
18-21
30-34
60-80 lbs
21-25 34-38
Interactive Backpack Demo
Granite Gear
Crown 60 (M)
Starlite
Ultralight w/
Stay (M)
Demonstrator
Ben Egan
Stephen Conlin
David Vogel
Joan Chambers
Kellie Connelly
MSRP
$199.95
$180.00
$129.95
$219.00
$239.00
Grams / Liter
15.00
15.45
16.60
19.34
24.46
Weight (kg)
0.9
0.85
0.88
1.18
1.59
Capacity (liters)
60
55
53
61
65
Black Diamond
Innova 60 (M)
Osprey Aether
70 (M)
REI Mars 80,
2005 (L)
REI Mars 85,
2009 (L)
Kelty Trekker 65
External Frame
Pack (M/L)
Demonstrator
Pam Wilmot
Ben Egan
Carl
Gustenhoven
Bob Knudsen
N/A
MSRP
$159.93
$279.00
$199.00
------
$149.95
Grams / Liter
29.00
30.57
31.29
32.95
33.85
Weight (kg)
1.74
2.14
2.66
2.9
2.2
Capacity (liters)
60
70
85
88
65
Mountainsmith Osprey Exos 58 Osprey Atmos
Haze 50
(L)
65 (M)
Osprey Atmos 50 Pack - Large
18 Inch
Torso
Size
cu in
liters
lb/oz
S
M
L
2868
3051
3234
47
50
53
3/1
3/2
3/4
kg
Torso Waist
1.39 <18
25-35
60-80 lbs
1.42 18-21 28-38
1.48 20+
33+