DESCRIPTION
A Superlight Coreloftâ„¢ insulated vest from Arc’teryx, perfect for mid to high output activities. Compact and superlight, the Atom Lightweight Vest easily stashes in your pack, ready to grab when summer temperatures drop. Worn as a midlayer or standalone, it delivers moderate insulation perfect for early morning runs and taking in the view from a freshly bagged peak.
The Tyonoâ„¢ 20 shell balances breathability and wind resistance, and the Coreloftâ„¢ insulation is light, compressible, and efficient. Lightweight stretch fleece side panels improve ventilation and hold the fit. Dyed using the Dope Dye system – adding pigment at the polymer level which saves water, reduces C02 emissions and increases the fabric colourfastness.
- Self: Tyonoâ„¢ 20 denier shell with FC0 DWR treatment – 100% nylon
- Stretch Fleece Side Panel: 93% Polyester, 7% Elastane, bluesign® approvedÂ
- Insulation: Coreloftâ„¢ 40 (40 g/m²) – 100% Recycled Polyester – bluesign Approved Material
- Lining: Dope Permeairâ„¢ 20D – 100% nylon – Dope Dyed, bluesign Approved Material (select colours)
- Fit: Fitted
- Manufacturing: Facility Youngone (CEPZ) LTD
- Weight: 155g / 5.5 oz
SIZE GUIDE
| S | M | L | XL | |
|---|---|---|---|---|
| Chest | 97Â cm | 102Â cm | 110Â cm | 118 cm |
| Sleeve | 84Â cm | 86Â cm | 89 cm | 91Â cm |
| Waist | 81Â cm | 86Â cm | 94Â cm | 102 cm |
| Hip | 95 cm | 100 cm | 108 cm | 116 cm |
- Please note:Â Size guide provided from the brands general sizing chart and refers to body measurements, we would always recommendÂ
coming in store
 to try on if possible and pleaseÂ
contact us
 if you need guidance on sizing.
PROVENANCE AND ETHICS
Originally founded as Rock Solid Manufacturing by David Lane in 1981, In 1990 Lane brought Jeremy Guard, a fellow climber, into the fold and in 1991 they renamed the company Arc’teryx – a nod to the Archaeopteryx lithographica, the first reptile to develop feathers for flight – the first bird – and the brand’s instantly recognisable logo is a depiction of the Berlin specimen of the Archaeopteryx. Their philosophy is guided by the belief that durability is the strongest path to sustainability.Â


















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