Mac in a Sac Summit Men’s Down Jacket | Packable Warm Insulated Jacket Ireland

Mac in a Sac Summit Men’s Packable Down Jacket – Lightweight Warmth for Irish Weather

The Mac in a Sac Summit Men’s Down Jacket delivers exceptional warmth, packability and everyday comfort — perfect for cold Irish winters, commuting, hiking the Wild Atlantic Way or layering under a waterproof shell. With a premium duck down fill and durable 100% Nylon Ripstop outer, this insulated jacket keeps you warm down to -15°C while staying light, soft, and easy to pack.

Size & Fit

• Regular Fit for core activities – comfortable, everyday fit suitable for walking, hiking and daily wear
• True-to-size for most body types
• Designed to layer easily over base layers and under waterproof shells

Key Features

• 600 Fill Power Duck Down – excellent warmth-to-weight performance
• 90% duck down / 10% feather blend for premium loft
• Down-filled hood with part elasticated sides & stiffened peak
• Durable 100% Nylon Ripstop with 1,000mm water-repellent finish
• YKK Vislon front zip for reliable performance
• Fleece-lined chin guard for added comfort in cold winds
• Reflective detailing for safer low-light visibility
• Storm cuffs to seal in warmth
• Two concealed waist pockets – zipped for security
• Scoop back hem for better rear coverage
• PFC & PFOA Free – environmentally responsible
• Packs down easily into its own storage sack (included)

Perfect For

• Cold winter days in Ireland
• Hiking, walking and travel
• Daily commuting
• Layering under waterproof jackets
• Outdoor adventures around Donegal & the Wild Atlantic Way

Why Choose the Mac in a Sac Summit?

This jacket balances light weight, serious warmth and packability. It’s ideal for anyone who wants to stay warm without bulk — a reliable, grab-and-go insulated layer for unpredictable Irish weather.

FAQs

Is it waterproof?
The shell is water repellent (1,000mm) but not fully waterproof. Pair with a Mac in a Sac waterproof shell for complete protection.

What temperatures is it suitable for?
It is expertly crafted to withstand temperatures as low as -15°C, depending on activity level and layering.

Does it come with a stuff sack?
Yes — it packs down into its own compact sack, perfect for travel and storage.

Is the insulation ethical?
The jacket is PFC & PFOA free and uses responsibly sourced duck down.

Shipping & Returns

Fast Delivery from Borderland Muff, Co. Donegal.
We ship nationwide across Ireland with tracked delivery. Click & Collect available in-store.

Easy Returns: If the size isn’t right, simply return it unused for an exchange or refund.