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Light, packable all-mountain GORE-TEX ePE shell with an extensive feature set.
This product was previously the Beta Lightweight Jacket.
4 payments of $205.00
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The Beta SL Jacket – our lightest Beta – is built for mountain realities. Highly versatile, it’s carefully designed to deliver complete waterproof, windproof, breathable protection without sacrificing lightweight packability. Its innovative GORE-TEX ePE membrane is light, strong, and PFC free. C-KNIT backer technology improves comfort and breathability. The helmet-compatible ...
Versatile: high performance for diverse activities and conditions.
Produced in a Fair Trade Certified facility. Building worker well-being into our product DNA.
For technical mountain activities, durable and protective designs with a focus on freedom of movement for remote and varied conditions.
The Beta SL Jacket – our lightest Beta – is built for mountain realities. Highly versatile, it’s carefully designed to deliver complete waterproof, windproof, breathable protection without sacrificing lightweight packability. Its innovative GORE-TEX ePE membrane is light, strong, and PFC free. C-KNIT backer technology improves comfort and breathability. The helmet-compatible StormHood protects without compromising vision, pit zippers ventilate, and a RECCO reflector can aid in search situations.
This product is free of intentionally added PFAS.
The new ePE membrane technology is lighter and thinner, but just as strong and durable as the materials we used before. You may notice the face fabric “wetting out” slightly faster in products with ePE membranes, but rest assured this does not affect the waterproofing of the membrane itself. If you notice the fabric wetting out faster than you’d like, simply wash the jacket and dry it to remove the oil contamination and bring the DWR back to its full power.
Our trimmer fit is patterned to stay close to the body through the chest, waist, hip, and thigh. Its low profile eliminates bulk, moves with the body, and fits comfortably over first layers or under outer layers.
Size
Sleeve
Chest
Waist
Hip
XXS
78
84
69
83
XS
81
89
74
88
S
94
79
93
M
86
102
100
L
109
108
XL
91
119
104
118
XXL
129
114
128
3XL
96
139
124
138
30
33
27
32½
31½
35
29
34½
37
31
36½
34
40
39½
43
42½
36
47
40½
46½
51
44½
50
38
54½
48½
54
Europe
UK
China
Japan
Korea
42
32
170/88A
85
44
170/92A
90
46
170/96A
95
48
175/100A
52
175/108A
LL
110
56
180/116A
3L
120
60
180/128A
4L
130
64
180/136A
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NOTE: Men's fit has been updated with a revised fit. Medium size remains unchanged. Smaller sizes are now tighter and larger sizes are now looser. Arc'teryx sizes are intended to fit the above body measurements. If your measurements are between sizes, select a larger size for a looser fit or a smaller size for a tighter fit.
Note: Calculate your own body measurements, then select your product size.
1. Sleeve: With arm relaxed at your side and slightly bent, measure from centre back neck, across shoulder to elbow and down to wrist.
2. Chest: With arms relaxed at your sides, measure under your arms, around the fullest part of your chest
3. Waist: Measure around your waist at the narrowest part.
4. Hip: Standing with feet hip width apart, measure around your hips at the widest part.
Cut snug to the body through the entire garment to enhance moisture management and thermal efficiency.
Cut slim to the body through chest, waist, hip and thigh for a low profile fit.
Cut comfortably from the body through bust/chest, waist, hip and thigh for a classic fit.
Cut loosely through the waist, hip, and thigh for a casual fit.
Layers are the instruments of keeping you dry, warm and using your energy efficiently. Put into the right systems, a good sequence of layers provides you with weather protection, moves moisture away from your skin, conserves or dissipates heat, and does this in the least amount of time.
Use the layering guide to select additional pieces for your system and understand how they fit together. Find out more about how to layer on our Layering Page.
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