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BD6812500002ALL1

Black Diamond Theorem 30 Backpack

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Size Guide
Size Guide - Black Diamond

MEN'S APPAREL SIZING

  XS
  IN CM
Neck 15 38.5
Chest 34-35.5 86.5-90
Sleeve 33.5 85
Waist 27-28.5 68.5-72.5
Hip 33.5-35 85-89
Inseam 31.5 80
S
IN CM
15.5 39.5
36-38 91-96.5
33.5 85
29-31 73.5-79
35.5-37.5 90-95.5
31.5 80
M
IN CM
16 40.5
38.5-41 97.5-104
34 86.5
31.5-34 80-86.5
38-40.5 96.5-103
32.5 82.5
L
IN CM
16.5 42
41.5-44.5 105-113
34 86.5
34.5-37.5 87.5-95.5
41-44 104-112
33.5 85
XL
IN CM
17.5 44.5
45-48.5 114-123
34.5 87.5
38-42 96.5-106.5
44.5-48 113-122
33.5 85
 
  28
  IN CM
Waist 27-28.5 68.5-72.5
Hip 33.5-35 85-89
Inseam 31.5 80
30
IN CM
29-30.5 73.5-77.5
35.5-37 90-94
31.5 80
32
IN CM
31-32.5 78.5-82.5
37.5-39 95-99
32.5 82.5
34
IN CM
33-34.5 83.5-87.5
39.5-41 100-104
32.5 82.5
36
IN CM
35-36.5 88.5-92.5
41.5-43 105-109
33.5 85
38
IN CM
37-38.5 93.5-97.5
43.5-45 110-114
33.5 85
Men's Apparel Sizing

Sizing refers to body measurements, not garment dimensions
How to measure:

Neck: Around the fullest part of the neck, at the base
Chest: Around the chest, just under the arms and across the shoulder blades
Sleeve: From the center back of the neck, across the shoulder, and down the arm to the wrist
Waist: Around the narrowest part of the waist
Hip: Around the widest point of the hips
Inseam: From the crotch to the floor on the inside of the leg

WOMEN'S APPAREL SIZING

  XXS
  IN CM
Neck 13 33
Bust 31-32 78.5-81
Sleeve 29.5 75
Waist 23.5-25 59.5-63.5
Hip 32.5-34 87.5-91.5
Inseam 29.5 75
XS
IN CM
13.5 34.5
32.5-34 82.5-86.5
30.5 77.5
25.5-27 65-68.5
34.5-36 87.5-91.5
29.5 75
S
IN CM
14 35.5
34.5-36 87.5-91.5
30.5 77.5
27.5-29 69.5-74
36.5-38 92.5-96.5
30.5 77.5
M
IN CM
14.5 36.5
36.5-38.5 92.5-98
31 79
29.5-31.5 75-80
38.5-40.5 97.5-103
30.5 77.5
L
IN CM
15 38
39-41.5 99-105.5
31 79
32-35 81-89
41-43.5 104-110.5
30.5 77.5
XL
IN CM
16 40.5
42-45 106.5-114
31 79
35.5-39 90-99
44-47.5 111.5-120.5
30.5 77.5
2
IN CM
26-27 66-68.5
35-36 89-91.5
29.5 75
4
IN CM
27-28 68.5-71
36-37 91.5-94
30.5 77.5
6
IN CM
28-29 71-73.5
37-38 94-96.5
30.5 77.5
8
IN CM
29-30 73.5-76
38-39 96.5-99
30.5 77.5
10
IN CM
30-31 76-78.5
39-40 99-101.5
30.5 77.5
12
IN CM
31-32.5 78.5-82.5
40-41.5 101.5-105.5
30.5 77.5
Sizing refers to body measurements, not garment dimensions
How to measure:
Neck: Around the fullest part of the neck, at the base
Bust: Around the apex of the bust, just under the arms and across the shoulder blades
Sleeve: From the center back of the neck, across the shoulder, and down the arm to the wrist
Waist: Around the narrowest part of the waist
Hip: Around the widest point of the hips
Inseam: From the crotch to the floor on the inside of the leg

MEN'S/WOMEN'S SHOE SIZING

US MEN'S US WOMEN'S UK EU
4 5.5 3 35.5
4.5 6 3.5 36
5 6.5 4 37
5.5 7 4.5 37.5
6 7.5 5 38
6.5 8 5.5 39
7 8.5 6 39.5
7.5 9 6.5 40
8 9.5 7 41
8.5 10 7.5 41.5
9 10.5 8 42
9.5 11 8.5 42.5
10 11.5 9 43
10.5 12 9.5 44
11  12.5 10 44.5
11.5  13 10.5 45
12   11 46
12.5   11.5 46.5
13   12 47
13.5   12.5 48
14   13 48.5
15   14 49.5

GLOVE SIZING

  XS
  IN CM
Men's/Unisex 7.25-7.75 18.4-19.7
Women's 6.25-6.75 15.9-17.1
S
IN CM
7.75-8.25 19.7-21
6.75-7.25 17.1-18.4
M
IN CM
8.5-9 21.5-23
7.25-7.75 18.4-19.7
L
IN CM
9-9.5 23-24
7.75-8.25 19.7-21
XL
IN CM
9.5-10 24-25.4
N/A N/A
Determine your size from the chart by choosing the larger of the two measurement results.
How to measure:
Palm girth: Around your dominant hand at the knuckles with your fingers together
Palm length: From the crease at the base of your wrist (on palm side) to the tip of your middle finger
Please note: Womens sizing applies to items specified as Womens-specific only. Please reference Mens/Unisex sizing otherwise

HALF DOME HELMET SIZING

  S/M
Size Range 19-22.5 in 48-57 cm
Weight 11 oz 310 g
M/L
22-24 in 55-61.5 cm
12 oz 340 g

How to measure:
Head: Measure around the largest part of the head - about one inch above the eyebrows.

VAPOR HELMET SIZING

S/M
21-23 in 53-59 cm
6.6 oz 188 g
M/L
23-25 in 58-63 cm
7 oz 199 g

How to measure:
Head: Measure around the largest part of the head - about one inch above the eyebrows.

VECTOR HELMET SIZING

  S/M
Size Range 21-23 in 53-59 cm
Weight 8.1 oz 230 g
M/L
23-25 in 58-63 cm
8.6 oz 245 g

How to measure:
Head: Measure around the largest part of the head - about one inch above the eyebrows.

PACK SIZING

  S/M
  IN CM
Torso 16-19 41-48
Waist 26-40 66-102
M/L
IN CM
18.5-21.5 47-55
28-45 71-114
Unisex Small
IN CM
15.5-18.5 40-47
27-32 69-81
Unisex Medium
IN CM
17.5-20.5 45-52
29-34 73-86
Unisex Large
IN CM
19.5-23.5 50-57
34-39 86-99
  Men's Medium
  IN CM
Torso 17.5-20.5 45-52
Waist 29-34 73-86
Men's Large
IN CM
19.5-23.5 50-57
34-39 86-99
  Women's Small
  IN CM
Torso 15.5-18.5 40-47
Waist 27-29 69-74
Women's Medium
IN CM
17.5-20.5 45-52
29-31 74-79
How to measure:
Torso: From the base of the neck to the narrowest part of the waist.
Waist: Around the narrowest part of the waist

Z-POLE SIZING

Height Range Suggested Z-Pole Length
  IN CM
<5 ft 1 <154 100 cm
5 ft 1 - 5 ft 7 154-171 110 cm
5 ft 8 - 5 ft 11 172-182 120 cm
6 ft + 183 + 130 cm

How to measure:
For Walking, hiking and backpacking: Stability and support matter most. Size up if you're right on a size cusp.
For Running: Uphill propulsion matters most. Size down if you're right on a size cusp.

DISTANCE PACK/VEST SIZING

  XS
  CM
TORSO* 60-75
  S
  CM
TORSO* 68-85
  M
  CM
TORSO* 80-100
  L
  CM
TORSO* 90-112

 

WOMEN'S DISTANCE PACK/VEST SIZING

  S
  CM
TORSO* 60-75
  M
  CM
TORSO* 67-85
  L
  CM
TORSO* 80-100

 

Fit Guide

How to measure:

*Measure circumference of torso around lower ribs, not the chest

size chart-Distance pack_vest size chart image.png
Colour: Black
Black

2 items left

2024-11-28 2024-12-05 Ready Stock 現貨訂單 Pre-order 預售訂單 Gift Cards 禮品卡 Error 錯誤
A 30-liter daypack that blends functionality with unparalleled style, the Theorem 30 holds everything you need for life’s multi-purpose missions. The internal organizer features a key-leash and zippered mesh pockets, while the electronics sleeve can be accessed both internally and externally. Two external stretchy side pockets hold water bottles, climbing shoes or any other gear you need, while a front-mounted daisy chain adds attachment options. the main pack body is built from 100% recycled fabrics.
Theorem 30 Pack Features
  • 30-liter storage capacity—enough for a laptop, folders, organizer, extra papers, books, additional electronics and those extra items just in case
  • 100% Recycled body fabric—Eco-conscious BD Mini Ripstop combined with a 840d polyester create a new level of style and protection with 100% post consumer recycled fibers made from discarded water bottles
  • Two stretchy but durable side pockets for water bottle, climbing shoes or other easy to grab gear Internal org with key leash and zipper mesh pockets
  • Separate front zippered accessories pocket with organization for pens and accessories
  • Reflective markings for visibility on commutes
  • S-curve shoulder strap shaping with dual density max comfort foams for breathable, all day carrying comfort
  • Padded back-panel with ventilated air channel combined with breathable air-mesh
  • Dependable and long lasting YKK zippers
  • Side compression straps to keep gear secure for when you’re on the move
  • Adjustable sternum strap

Tech Specs

  • Display Weight
    • .9 kg(2lb)
  • Materials
    • Recycled 840D Polyester and Mini Ripstop Nylon
  • Volume
    • 30L (1831 cu/in)
  • Series
    • Campus
  • Size Range
    • One Size