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Conventional mid-layers are built the same way clothing has been built for generations: fabric is woven, cut into panels, and those panels are stitched together. Every stitch is a weak point; every cut creates offcut waste; and the resulting seams sit against the skin, adding bulk and potential irritation under a shell. Houdini's Airweb Knit technology changes all of that. The Lykan Half Zip is knitted in one seamless piece using Shima-Seiki Wholegarment 3D technology – a process that eliminates seams entirely, creates zero production waste, and results in a garment that truly feels like an extension of the body. The yarn is Japanese Teijin Waveron and Deltapeak: a unique combination that creates an open-knit structure with lofty, insulating air pockets and exceptional moisture transport. The fabric is 100% recycled and recyclable polyester, fully circular at end of life. The half-zip collar allows precise ventilation control when output levels change – opening up on the ascent, sealing in warmth on the ridge.
| Size | Bottom (cm) | Chest (cm) |
|---|---|---|
| S | 96 | 100 |
| M | 102 | 106 |
| L | 108 | 112 |
| XL | 114 | 118 |
Since 1993, Houdini has been asking a question the outdoor industry rarely considers: does this product deserve to exist? Founded in Stockholm and shaped by the mountains and waterways of Scandinavia, the brand is resolutely anti-trend. Instead, every design idea is interrogated with a series of asks: will this product last long enough? Is it versatile enough? Does it have a next-life solution?
Often, the answer shows up in the fabric. 100% of the materials Houdini uses for its current collection are recycled, recyclable, renewable, biodegradable, or Bluesign-certified. These are not workarounds – they are the baseline, developed through years of partnerships with the best technical fabric producers in Japan, Italy, Sweden, and beyond. Take Polartec Power Stretch Pro, the legendary fleece that Houdini has used for over a decade. Or Airweb Knit – a seamless, hi-tech insulation fabric from Japan that produces zero waste in manufacture. Or PrimaLoft Gold synthetic fill, which performs like down without using a single bird's feather.
Houdini calls this circular approach “progressive performance design”. It means products are designed to be repaired, reused, or repurposed – so nothing ends up as waste. And it means garments that are genuinely better to use than anything else out there, built to become lifelong companions rather than seasonal purchases. For anyone who takes both their adventure and their responsibility to the planet seriously, this is the brand.
⇨ Use code OFFER10 for a 10% discount on this product
Conventional mid-layers are built the same way clothing has been built for generations: fabric is woven, cut into panels, and those panels are stitched together. Every stitch is a weak point; every cut creates offcut waste; and the resulting seams sit against the skin, adding bulk and potential irritation under a shell. Houdini's Airweb Knit technology changes all of that. The Lykan Half Zip is knitted in one seamless piece using Shima-Seiki Wholegarment 3D technology – a process that eliminates seams entirely, creates zero production waste, and results in a garment that truly feels like an extension of the body. The yarn is Japanese Teijin Waveron and Deltapeak: a unique combination that creates an open-knit structure with lofty, insulating air pockets and exceptional moisture transport. The fabric is 100% recycled and recyclable polyester, fully circular at end of life. The half-zip collar allows precise ventilation control when output levels change – opening up on the ascent, sealing in warmth on the ridge.
| Size | Bottom (cm) | Chest (cm) |
|---|---|---|
| S | 96 | 100 |
| M | 102 | 106 |
| L | 108 | 112 |
| XL | 114 | 118 |
Since 1993, Houdini has been asking a question the outdoor industry rarely considers: does this product deserve to exist? Founded in Stockholm and shaped by the mountains and waterways of Scandinavia, the brand is resolutely anti-trend. Instead, every design idea is interrogated with a series of asks: will this product last long enough? Is it versatile enough? Does it have a next-life solution?
Often, the answer shows up in the fabric. 100% of the materials Houdini uses for its current collection are recycled, recyclable, renewable, biodegradable, or Bluesign-certified. These are not workarounds – they are the baseline, developed through years of partnerships with the best technical fabric producers in Japan, Italy, Sweden, and beyond. Take Polartec Power Stretch Pro, the legendary fleece that Houdini has used for over a decade. Or Airweb Knit – a seamless, hi-tech insulation fabric from Japan that produces zero waste in manufacture. Or PrimaLoft Gold synthetic fill, which performs like down without using a single bird's feather.
Houdini calls this circular approach “progressive performance design”. It means products are designed to be repaired, reused, or repurposed – so nothing ends up as waste. And it means garments that are genuinely better to use than anything else out there, built to become lifelong companions rather than seasonal purchases. For anyone who takes both their adventure and their responsibility to the planet seriously, this is the brand.
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