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The Arc'teryx Atom Hoody is a legendary, highly versatile insulated jacket designed to perform across a vast range of outdoor activities and output levels. Whether used as a critical warming mid-layer during alpine climbs or as a standalone jacket for crisp morning hikes, it delivers a perfect balance of warmth, breathability, and weather protection. Specs: Gender: Men's Best for: Hiking, climbing, backcountry skiing, and versatile everyday use. Fit: Trim fit – sits close to the body to ensure efficient heat retention and smooth layering under a shell jacket. Insulation: Coreloft™ Compact 60 – a high-performance synthetic insulation that is specially treated to retain its loft and warmth even if it gets wet, providing peace of mind in unpredictable weather. Outer Fabric: Tyono™ 20 – a premium, lightweight face fabric that balances wind resistance with high breathability. It feels incredibly soft against the skin and is highly durable for its weight class, though we recommend pairing it under a shell jacket if you are carrying heavy backpacks or abrasive equipment over your shoulders. Side Panels: Stretch fleece panels – integrated under the arms to provide superior freedom of movement and enhanced ventilation during high-intensity activity. Hood: Adjustable, low-profile StormHood™ – provides extra insulation for the head and neck without obstructing your peripheral vision.

The Arc'teryx Atom Hoody is a highly versatile insulated jacket designed for a wide range of outdoor activities. Whether worn as a warming mid-layer on freezing mountain days or as a standalone jacket in milder weather, it delivers outstanding comfort and reliable performance. It is the perfect choice for hikers, climbers, and daily commuters who need consistent warmth without feeling weighed down by bulky layers. Specs: Gender: Men's Best for: Hiking, climbing, skiing, and versatile everyday use in changing weather. Fit: Trim fit, which means it sits close to the body, making it incredibly easy to layer smoothly under a waterproof shell jacket. Insulation: Coreloft™ Compact 60 synthetic insulation. This provides exceptional warmth without the bulk and, unlike traditional down, it continues to insulate and keep you warm even if it gets completely wet. Outer Fabric: Tyono™ 20. A lightweight, wind-resistant, and highly breathable material that feels soft against the skin, yet is incredibly tough and durable against trail wear and tear. Side Panels: Stretch fleece side panels that actively allow excess heat to escape while you move, preventing you from overheating and providing excellent freedom of movement. Hood: Adjustable, insulated StormHood™ that adds crucial extra warmth without restricting your peripheral vision.

The Arc'teryx Cormac Crew LS is a technical long-sleeve performance top meticulously designed for versatility across a vast range of high-output mountain activities. Whether you are trail running, fast-packing, or hiking through varied terrain, this top delivers an exceptional balance of moisture management, sun protection, and lasting comfort against the skin. Constructed from 100% recycled Phasic™ LT fabric, the Cormac actively pulls moisture away from the body to keep you dry and comfortable during intense efforts. This updated grid-textured material is not only lighter and softer than previous versions but also features a DAO (Durable Anti Odour) finish to keep the garment fresh over long days in the mountains. To ensure maximum protection in exposed environments, the fabric provides a UPF 50+ rating, effectively blocking harmful UV radiation. The fit is refined for athletic movement, featuring a low-profile collar and strategic seam placement that minimizes friction and chafing under a backpack or hydration vest. This makes it an ideal standalone piece for shoulder-season missions or a highly efficient base layer for colder conditions. Specs: Gender: Men's. Best for: Trail running, hiking, trekking, and high-intensity mountain training. Fabric: Phasic™ LT with DAO finish. Made from 80% recycled polyester, this fabric is engineered for rapid moisture wicking and high breathability. Sun Protection: UPF 50+. Provides elite-level protection against ultraviolet rays on snow or in high-alpine sun. Fit: Regular fit. Designed to maximize airflow and move naturally with the body without feeling restrictive. Seams: Merrow stitch seam construction to reduce bulk and prevent irritation during repetitive motion. Weight: 135g – ultralight for its class.

The Arc'teryx Atom Hoody is a highly versatile insulated jacket designed for a wide range of outdoor activities. Whether worn as a warming mid-layer on freezing mountain days or as a standalone jacket in milder weather, it delivers outstanding comfort and reliable performance. It is the perfect choice for hikers, climbers, and daily commuters who need consistent warmth without feeling weighed down by bulky layers. Specs: Gender: Men's Best for: Hiking, climbing, skiing, and versatile everyday use in changing weather. Fit: Trim fit, which means it sits close to the body, making it incredibly easy to layer smoothly under a waterproof shell jacket. Insulation: Coreloft™ Compact 60 synthetic insulation. This provides exceptional warmth without the bulk and, unlike traditional down, it continues to insulate and keep you warm even if it gets completely wet. Outer Fabric: Tyono™ 20. A lightweight, wind-resistant, and highly breathable material that feels soft against the skin, yet is incredibly tough and durable against trail wear and tear. Side Panels: Stretch fleece side panels that actively allow excess heat to escape while you move, preventing you from overheating and providing excellent freedom of movement. Hood: Adjustable, insulated StormHood™ that adds crucial extra warmth without restricting your peripheral vision.

This cotton flannel shirt is an all-rounder for the everyday outdoor lifestyle

Designed with comfort and ease in mind, from adventures on the Savannah to picnics in the backyard. For hot days when breathability and lightweight freedom are a necessity.

“Milk casein” fiber was used in many garments and household items in America and Europe during the 1930s and ’40s. It’s made using a process that is similar to rayon/viscose (derived from wood pulp), but because it’s a regenerated protein fiber, it reacts like wool. Historically, it was used as a wool-alternative, advantaging soldiers on the front lines in times of wool scarcity. However, it fell out of use after WWII ended and newer, cheaper synthetics such as nylon grew in popularity. The cotton/milky fabric improves skin comfort, moisture absorption and is naturally antibacterial.

This endlessly comfortable shirt will become a challenge to not throw on, day after day. Inspired by the classic rugby shirt, we added corduroy details on the chest pocket and collar to add textural detail and fabric variance.

Knitted in Italy from long‑staple Egyptian cotton, the Lascar Crew Neck captures the spirit of a classic college jumper. Ribbed cuffs and hem keep the silhouette tidy, while the soft knit make it an easy layer for everyday sport, coastal living or city routines. Finished with the weathered red triangle at the collarbone and the Spirit of Amundsen patch on the sleeve.

This endlessly comfortable shirt will become a challenge to not throw on, day after day. Inspired by the classic rugby shirt, we added corduroy details on the chest pocket and collar to add textural detail and fabric variance.

Reviving a 1930s innovation, the Formula Tee is made from a jersey that blends 50% organic cotton with 50% viscose milk casein. The protein-based fibre behaves like wool—soft, breathable and naturally antibacterial—delivering excellent skin comfort and moisture management for everyday wear. Finished with a ribbed collar, split side seams and the Amundsen Oslo tab on the right side. A clean, regular-fit staple for city days, travel and light adventure.

A boxy vintage tee. A thick cotton made to be broken in and feel like a custom piece after many uses

This endlessly comfortable shirt will become a challenge to not throw on, day after day. Inspired by the classic rugby shirt, we added corduroy details on the chest pocket and collar to add textural detail and fabric variance.

Linen has been the choice for summer wear for hundreds of years, and for good reason. A light weight, breathable, and packable tee. A basic and trusted part of everyones wardrobe

A boxy vintage tee. A thick cotton made to be broken in and feel like a custom piece after many uses

“Milk casein” fiber was used in many garments and household items in America and Europe during the 1930s and ’40s. It’s made using a process that is similar to rayon/viscose (derived from wood pulp), but because it’s a regenerated protein fiber, it reacts like wool. Historically, it was used as a wool-alternative, advantaging soldiers on the front lines in times of wool scarcity. However, it fell out of use after WWII ended and newer, cheaper synthetics such as nylon grew in popularity. The cotton/milky fabric improves skin comfort, moisture absorption and is naturally antibacterial.

Carefully knitted in a soft blend of merino wool, cotton and nylon. It’s shaped to a classic silhouette with a rib turtleneck and finished off with classic ribbed trims at sleeves and bottom hem.

Designed with comfort and ease in mind, from adventures on the Savannah to picnics in the backyard. For hot days when breathability and lightweight freedom are a necessity.

Designed with comfort and ease in mind, from adventures on the Savannah to picnics in the backyard. For hot days when breathability and lightweight freedom are a necessity.

Reviving a 1930s innovation, the Formula Tee is made from a jersey that blends 50% organic cotton with 50% viscose milk casein. The protein-based fibre behaves like wool—soft, breathable and naturally antibacterial—delivering excellent skin comfort and moisture management for everyday wear. Finished with a ribbed collar, split side seams and the Amundsen Oslo tab on the right side. A clean, regular-fit staple for city days, travel and light adventure.

This cotton flannel shirt is an all-rounder for the everyday outdoor lifestyle

Constructed of Italian Fleece and French Corduroy, this piece serves as your softest companion in the long days and cool nights of Spring. Featuring our signature chest pocket, this fleece offers easy access to the tools and treasures essential in camp or on deck. Applied pockets, such as these, are inspired from the design of Roald Amundsen, who often retrofitted his gear in camp, as needed.

Constructed of Italian Fleece and French Corduroy, this piece serves as your softest companion in the long days and cool nights of Spring. Featuring our signature chest pocket, this fleece offers easy access to the tools and treasures essential in camp or on deck. Applied pockets, such as these, are inspired from the design of Roald Amundsen, who often retrofitted his gear in camp, as needed.

NNormal Race T-shirt 02 – Technical and lightweight A functional and ultra-lightweight t-shirt developed for running and high-intensity training. The material is engineered for maximum breathability and rapid moisture wicking, keeping you dry on warm days or during demanding workouts. The t-shirt features an athletic fit that allows for full freedom of movement without clinging to the skin. Its low weight and flat seams minimize friction when wearing a hydration pack. Specifications: Best for: Running, training, and outdoor activities Fit: Athletic/Regular Features: Highly moisture-wicking, fast-drying, and lightweight Seams: Flatlock seams to prevent chafing Material: Made with a high percentage of recycled polyester for a lower environmental impact.

Performs-even-when-wet core warmth for hiking, climbing, touring, and living in. Description If you want the warmth of an Atom Hoody with a wider range of motion and smaller footprint, you’re in the right place. Pull on the Atom Vest when you feel the temperature dropping on longer hikes and climbs or wear it as a midlayer under a shell for touring and wet winter objectives. The Coreloft synthetic insulation stays warm even if you run into light weather, making it a better alternative to down for high-output days year round. What's been updated: Updated with a new FC0 material, FC0 DWR finish, and 100% recycled stretch synthetic insulation. New stretch insulation offers improved freedom of movement. The Bird logo is embroidered for long lasting visual. Features & Specs Technical features Moisture-resistant outer face fabric Breathable Lightweight Insulated Packable Construction Fortius™ Air 20 nylon liner is lightweight, breathable, and made with recycled content Stretch synthetic insulation is breathable, warm, and light, adds freedom of movement, and is made with recycled content Lightweight stretch Octa® Fleece side panels provide freedom of movement and improve ventilation Design & Fit Garment Centre Back Length: Size M is 28"/71cm - Varies by size Fabric treatment FC0 DWR (Durable Water Repellent) finish repels moisture and is PFAS-free Hem configuration Adjustable hem draw cord seals out drafts Patterning Ergonomic patterning construction for mobility and comfort Pocket configuration Two hand pockets with hidden zippers Sustainability Contains materials that meet the bluesign® criteria Contrast - recycled content Insulation - bluesign® approved material, recycled content Lining - dope dyed some colours, recycled content This article was treated with an anti-odour biocidal product (Polygiene) PFAS (Per- and polyfluoroalkyl substances) Compliant Size XS, S, M, L, XL, XXL Weight 195g / 6.9 oz Fit Fitted Sizing chart Men's sizing chart & fit guide - tops Activity Hike/Everyday Model X000009559 Manufacturing facility Youngone (CEPZ) LTD, Bangladesh Fit & Sizing Fit: Fitted 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. View size chart Materials & Care Materials Contrast: Octa Polyester Fleece, Raschel Anti-shed with 40D Delta Face, Polygiene, 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: Recycled 20d nylon plain weave weft stretch FC0 DWR, 58gsm - 88% Nylon, 12% Elastane Origin of fabric: TAIWAN Origin of dyeing: TAIWAN May release plastic microfibres into the environment when washing Care 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

Engineered from a premium mini grid technowool blend of polyamide and wool, delivering superior moisture-wicking and antibacterial performance. The innovative fabric construction provides insulation against the cold whilst maintaining breathability in warmer conditions. Perfect for moderate to high-intensity mountain activities, whether worn as a standalone layer or beneath a shell for added versatility. Composition  56% Polyamide, 40% Wool, 4% Elastane Made in Lithuania Half zip construction Main fabric cuffs Mountain Airy patch on chest Mini grid technowool fabric