Men's Atom SL Hoody

$280
Color: Cloud
  • Free shipping on orders $150+
  • Free pickup at our Arlington, TX store today
  • Free 30-day returns
Description

The latest generation of the lightest Atom hoody brings stretch performance, improved thermoregulation, and added durability.  Streamlined and versatile, it’s a go-to as a midlayer or standalone during mid-to-high-output activities. 

Features
  • Durable, breathable Fortius™ Air 20 nylon plain weave is lightweight, air-permeable, and made with 42% recycled nylon 
  • FC0 DWR (Durable Water Repellent) finish repels moisture and is PFAS-free
  • 40gsm stretch synthetic insulation is breathable, warm, and light, adds freedom of movement, and is made with 85% recycled content 
  • Uninsulated sleeves reduce weight and improve packability
  • Adjustable, low-profile, uninsulated StormHood™ adds protection
  • Lightweight stretch Octa® Fleece side panels provide freedom of movement and enhance breathability
  • Zippered hand pockets secure small essentials
  • Adjustable drawcord at hem seals out drafts
Size & Fit
  • Fitted, with articulated patterning for mobility, comfort, and easy layering
  • CB length: 72cm

Open size guide
Materials
  • Contrast: Octa® Polyester Fleece, 40D Delta Face, 122gsm - 100% Polyester.
  • Synthetic Insulation: Coreloft™ Stretch, 40gsm - 100% Polyester.
  • Lining: Recycled 20d nylon plain weave weft stretch FC0 DWR, 58gsm - 88% Nylon, 12% Elastane.
  • Body: Fortius™ Air 20 - Plain Weave, FC0 DWR, 58gsm - 88% Nylon, 12% Elastane.
  • Machine wash gentle low.
  • Tumble dry gentle low.
  • Do not bleach.
  • Wash dark colours separately.
  • Do not dry clean.
  • Do not iron.
  • Do not use fabric softener.
  • Double rinse.
  • Do not wring.
Technical specs
  • Weight: 280g / 9.9 oz
  • Activity: Alpine/Hike/Day Hike
About the brand

Born in the Coast Mountains of British Columbia, Arc’teryx designs gear built for the wildest weather and the steepest lines. Every jacket, pack, and layer is engineered for precision and performance — because when conditions get real, your gear should too. At Mountain Sports, we love Arc’teryx for its unmatched craftsmanship and commitment to doing more with less, in nature’s harshest playgrounds.

Shop all Arc'teryx

SKU X000009560
Size guide

Arc'teryx Size Chart - Men's Apparel

Arc'teryx Sizing Chart

Measurements are in inches, unless otherwise noted. Charts reflect body measurements, not garment measurements.

Men's Jackets & Shirts:

Size Sleeve Chest Waist Hip
XXS 30 33 27 32.5
XS 31.5 35 29 34.5
S 32.5 37 31 36.5
M 34 40 34 39.5
L 35 43 37 42.5
XL 36 47 40.5 46.5
XXL 37 51 44.5 50
3XL 38 54.5 48.5 54

Arc'teryx sizes are intended to fit the body measurements above. If your measurements are between sizes, select a larger size for a looser fit or a smaller size for a tighter fit. Arc'teryx has recently updated the men's fit: medium remains unchanged, smaller sizes now fit tighter and larger sizes now fit looser.

Men's Pants & Shorts (Alpha Sizes):

Size Waist Hip Regular Inseam Short Inseam Tall Inseam
XXS 27 32.5 31 29 34
XS 29 34.5 31 29 34
S 31 36.5 31.5 29.5 34.5
M 34 39.5 32 30 35
L 37 42.5 32.5 30.5 35.5
XL 40.5 46.5 33 31 36
XXL 44.5 50 33 31 36
XXXL 48.5 54 - - -

Men's Pants (Numeric Waist Sizes):

Size Waist Hip Regular Inseam Short Inseam Tall Inseam
28 30 35.5 31 29 34
29 31 36.5 31.5 29.5 34.5
30 32 37.5 31.5 29.5 34.5
31 33 38.5 32 30 35
32 34 39.5 32 30 35
33 35 40.5 32 30 35
34 36 41.5 32.5 30.5 35.5
36 38 43.5 33 31 36
38 40 45.5 33 31 36

Numeric pant sizes correspond to the body measurements shown above. Several Arc'teryx pant models are sized numerically and may be offered in Short, Regular, and Tall inseam lengths - see each product page for the options available.

How to measure: Sleeve - with your arm relaxed at your side and slightly bent, measure from the center back of your neck, across the shoulder, over the elbow and down to the wrist. Chest - with arms relaxed at your sides, measure under your arms around the fullest part of your chest. Waist - measure around your waist at the narrowest part. Hip - standing with feet hip width apart, measure around your hips at the widest part. Inseam - from a standing position, measure from your crotch down the inside of your leg to the floor.

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