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
Beta Light Series Size Chart
Unisex
Size
Torso Length
Waist Circumference
XS
36 - 41 cm
61 - 107 cm
S
39 - 44 cm
69 - 114 cm
M
44 - 50 cm
74 - 122 cm
L
50 - 55 cm
79 - 130 cm
How to measure
Torso Length
Measure torso length from the base of your neck, following the natural curve of your spine down to the top of your hipbones.
Waist circumference.
Measure waist circumference by wrapping a tape measure around the narrowest part of your torso, typically above the hipbones
Distance FKT Strap
Sizing Guide
IN/CMINCM
Size
Measurement
S
6¾ - 8¼ in
M
8 - 9½ in
L
9 - 10½ in
How to measure Circumference
Wrap a tape measure around your dominant hand at the knuckles (excluding the thumb)
Dark Olive
2026-07-272026-08-03
For multi-use camping, around the house, and outdoor adventures that require a simple light with both an all-purpose beam as well as night vision. This user has the need to run the lamp on alkaline batteries if caught away from a power source for a long backpacking trip.
Cosmo 350 Headlamp Features
Dual-Fuel: Power with three AAA Alkaline cells (included) or the rechargeable BD 1500 Li-ion battery and charger (purchased separately) for maximum flexibility
350 Lumen max output
Red LED night vision has dimming and strobe modes and is quickly activated with dual-button interface
Settings include dimming, strobe, red night-vision and lock mode
Multifaceted optical lens design
IPX8: Waterproof-Tested to operate at least 1.1 meters underwater for 30 minutes. If submerged, water may enter the battery compartment and it will still operate; it should be completely dried out after use in wet conditions
Integrated battery meter display shows % of power remaining
Digital lock mode feature safeguards against accidental use when stored in a pack or pocket
Tech Specs
Display Weight 0.13
Max Distance (High) 64 m, (Medium) 45 m, (Low) 10 m
