Arc'teryx Men's Proton SL Hoody
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Available Colors
Electra
Other Colors
Best prices by size for Arc'teryx Men's Proton SL Hoody
- Size XS: from $280.00
- Size S: from $280.00
- Size M: from $280.00
- Size L: from $139.83
- Size XL: from $280.00
- Size 2XL: from $280.00
Updated 1 day ago
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Price History
MSRP
$280.00
Current Best Price
$139.83
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Product Details
Product Details
The Arc'teryx Proton SL Hoody Men’s is a lightweight active insulation layer built for cool conditions and high-output activities. It offers just enough warmth while maintaining excellent breathability. This hoody works well for fast hiking, alpine starts, and transitional seasons when temperatures are mild but conditions can change quickly. It’s easy to layer and comfortable to wear during continuous movement. Designed to manage heat efficiently, the Proton SL is often worn under a shell or as a standalone layer in dry conditions. It’s ideal for users who want insulation without sacrificing airflow.
Key Specifications
| Brand | Arc'teryx |
| Category | Men's insulated jackets |
| fit | Trim |
| gender | Men's |
| weight | 260 g |
| insulation | Lightweight breathable synthetic insulation |
| packability | High |
| breathability | Very high |
| Available Sizes | XS, S, M, L, XL, 2XL |
| Available Colors | Black, Electra, Nightscape |
Where to Buy
Available at 4 retailers
Last Updated: March 3, 2026
Frequently Asked Questions
Frequently Asked Questions
The Arc'teryx Proton SL Hoody Men's is a lightweight active insulation jacket designed for high-output activities in cool conditions. It prioritizes breathability and temperature regulation over maximum warmth.
Independent Expert Reviews
Independent Expert Reviews
OutdoorGearLab — Active Insulation Mid-Layer Evaluation
OutdoorGearLab testers call the Arc''teryx Proton LT Hoody (closely related to the Proton Insulated Hoody design) one of the best active insulation pieces available, highlighting its balance of warmth, mobility, and breathability designed for aerobic pursuits. They note it performs well as a mid-layer under harsher conditions and also stylishly as a standalone layer, with a durable shell and articulated fit that doesn''t restrict movement—but like most premium synthetics, it isn''t the lightest option in its category.
Read full reviewSwitchback Travel — Breathable, Durable, and High-Performance
In their hands-on assessment of the Arc''teryx Proton LT Hoody, Switchback Travel praises the jacket for its breathability and comfort during demanding activities like backcountry skiing and climbing. The review highlights how the breathable insulation and robust outer fabric help regulate temperature and fend off wind and snow, while product details like functional pockets and a helmet-compatible hood add to its practicality. It''s described as a top choice for winter adventures where balancing warmth with ventilation is key.
Read full reviewCleverHiker — Durable and Comfortable Every-Day Insulated Hoody
CleverHiker''s long-form review of the Arc''teryx Proton LT Hoody characterizes it as a premium, durable, and versatile synthetic insulated layer that performs well across a wide range of alpine activities, from climbing to snow sports and backpacking. They emphasize the jacket''s comfortable fit, functional design details (like chest pockets and adjustable hood), and synthetic insulation that offers durability and warmth even when wet — albeit at a higher price compared to budget midlayers.
Read full review