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New
Heiko
£99.99 £129.99
With Primaloft Silver-eco warm, Heiko punches well above its weight on breezy belays, showery summit stops and chilly evenings around the tent. Windproof, water resistant and highly compressible, Heiko packs down into its own pocket.
- Excellent Primaloft warmth and fully windproof
- Highly compressible, fitting into its own chest pocket
- Uncompromising performance made from 100% recycled fabric and insulation with environmentally friendly water-resistant treatment
- Versatile jacket and mid-layering piece
The Heiko's outer fabric and inner liner are made from a super light and soft recycled polyester fabric. This fabric forms a fully windproof sandwich around the insulation (inedible though), trapping vital body heat when you stop moving or the wind picks up.
We've used PrimaLoft® Silver Eco, a 100% recycled insulation, for its excellent warmth-to-weight ratio. This highly compressible fill allows the Heiko to pack away into its own chest pocket (complete with hang loop for clipping to climbing harnesses).
PrimaLoft® is water resistant too, repelling water and keeping its insulating ability even when wet. Combined with the fast-drying fabric (treated with a PFC-free DWR), this makes the Heiko ideal for changeable conditions — every other day in the British Isles, then!
Not just a versatile outer jacket, the Heiko can also double up as a super warm midlayer in colder temperatures. Its hoodless design and low-profile 60gsm insulation fit neatly under outer shells.
Designer's Notes
"With a PFC-free DWR and 100% recycled fabric and fill, the Heiko is our most sustainable jacket yet. And it's not just any recycled polyester fabric. It's a fabric that feels amazing next to the skin. We've even used it as the lining in our sleeping bags!"
Features
Key Features
- Impressive real-world warmth with PrimaLoft® Silver insulation and windproof fabric
- Ultralight fabric and compressible insulation pack down small to save space
- Packs into its own chest pocket with a hang loop for harnesses
- Fast-drying and damp-resistant insulation performs better in the wet
- Quilted 60gsm insulation and hoodless design layers neatly under outer shells
- Zipped and fleece-lined handwarmer pockets plus internal chest pocket
- 3 Year Alpine Bond
Vital stats
Fit
Regular
Construction
Outer Fabric: 100% recycled polyester
Inner Fabric: 100% recycled polyester
Fill: 60gsm PrimaLoft® Silver Eco (100% recycled post-consumer content)
Weight
344g (M)
Origin: China
Standard delivery to UK addresses is free over £30.
Next Day deliveries will be shipped same day if you place your order before 2pm Monday - Friday.
If you are not happy or have changed your mind, you can return your unused product within 123 days of placing the order for a refund.
Simply return it to us, free of charge, with all the original packaging.
Men's insulated jacket size guide
Size chart (inches) | ||||||
---|---|---|---|---|---|---|
UK | XS | S | M | L | XL | XXL |
Chest | 34 | 37 | 40 | 43 | 46 | 49 |
Waist | 28 | 30 | 32 | 34 | 36 | 38 |
Sleeve | 32 | 33 | 34 | 35 | 36 | 36 |
EU | 44 | 46 | 48 | 50 | 52 | 54 |
US | 34 | 36 | 38 | 40 | 42 | 44 |
Size chart (cm) | ||||||
---|---|---|---|---|---|---|
UK | XS | S | M | L | XL | XXL |
Chest | 86 | 94 | 102 | 109 | 117 | 124 |
Waist | 71 | 76 | 81 | 86 | 91 | 97 |
Sleeve | 82 | 84 | 86 | 88 | 90 | 92 |
EU | 44 | 46 | 48 | 50 | 52 | 54 |
US | 34 | 36 | 38 | 40 | 42 | 44 |

How to measure
This size chart indicates the body measurements our garments are designed to fit. Measure yourself as described below and use the size chart to find your size.
Chest
Measure around your chest at the widest part. The tape measure should pass under your arms and be level from front to back.
Waist
Measure around your waist at the narrowest point.
Sleeve
With your arms relaxed by your side, tilt your head down and ask a friend to measure from the bone at the base of your neck, over your shoulder and down your arm to the fold at your wrist.
Fit Guide

Tight
Close fitting designed to conform to your body.

Slim
Slim and slightly contoured but not form fitting.

Regular
A comfortable fit that's not too tight, nor too loose.

Relaxed
A looser fit with a bit more space but not too baggy.
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