Ascender Merino Seamless LS | Men's
Ascender Merino Seamless LS | Men's
✅ Made In USA
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✅ Cruelty Free
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Ascender Merino Seamless LS | Men's
The ultimate winter-ready base
From summit pushes to steep descents, this base layer is made to move. Mons Royale’s Ascender Merino Seamless Long Sleeve takes everything we love about performance kit — warmth, breathability, mobility — and refines it with a seamless construction that hugs close, stays comfortable and moves like a second skin. The superfine Merino-Tencel™ blend regulates temperature naturally, while body-mapped knit zones keep your performance dialled-in, even on big missions. Whether you’re skinning at dawn or charging through powder, this long sleeve delivers warmth without the weight — and zero distractions.
- Seamless knit construction for unrestricted movement
- Body-mapped mesh ventilation zones for breathability
- Merino-Tencel™ blend for warmth, moisture-wicking and softness
- Streamlined athletic fit for layering comfort
- Thumb loops to keep sleeves in place under outerwear
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- 50% Wool
- 21% Lyocell
- 25% Polyamide
- 4% Elastane
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Size(cm) Chest Waist Hip XS 85 - 92 72 - 78 85 - 91 S 92 - 98 78 - 84 91 - 97 M 98 - 104 84 - 90 97 - 103 L 104 - 110 90 - 96 103 - 109 XL 110 - 117 96 - 103 109 - 116 XXL 117 - 125 103 - 111 116 - 124 3XL 125 - 133 111 - 119 124 - 132 Size(inches) Chest Waist Hip XS 33.5 - 36.2 28.3 - 30.7 33.5 - 35.8 S 36.2 - 38.6 30.7 - 33.1 35.8 - 38.2 M 38.6 - 40.9 33.1 - 35.4 38.2 - 40.6 L 40.9 - 43.3 35.4 - 37.8 40.6 - 42.9 XL 43.3 - 46.1 37.8 - 40.6 42.9 - 45.7 XXL 46.1 - 49.2 40.6 - 43.7 45.7 - 48.8 3XL 49.2 - 52.4 43.7 - 46.9 48.8 - 52 - Ethically Sourced Materials - Mons Royale partners with New Zealand’s ZQRX Merino, the world’s leading ethical wool brand.
- Manufactured Sustainably - Mons Royale wool is spun at Süedwolle, a global leader for worsted spun yarn and certified with the latest eco certifications including Bluesign and Oeko-Tex standards.
- Sustainable Packaging - Mons Royale have phased out 90% of virgin plastic from their hang tags and accessories, replacing them with recycled and natural alternatives. Their products are packaged in plant based compostable bags and FSC certified paper.
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Flashy technical outerwear is all well and good, but the foundation for all-day comfort in the great outdoors is a solid baselayer. Unfortunately, most are tight-fitting and uninspired, made from flimsy fabrics that look like Swiss cheese after a week or two on the trail.
Enter New Zealand-based brand, Mons Royale, born out of the Kiwi snow sports scene in the mountains above Lake Wanaka. Making merino base layers, jerseys and sweaters is what they do – and it really shows.
Just about everything in the Mons range is built around ethically and sustainably produced merino wool – a fibre with so many miracle properties that only Mother Nature could have come up with it. But it’s Mons Royale’s more relaxed approach to design that really makes them stand out. Constructed for comfort and flexibility, their base layers fit like your favourite T-shirt, rather than feeling as if they’ve been sprayed on.
We love Mons Royale because it’s technical stuff that looks good enough to wear every day. The cuts are casual, the pastel colours are cool but muted, and the branding isn’t too full-on. Take your Mons kit out for a day on the mountain, then stick the bike or climbing gear back in the van, switch the shorts for a clean pair of jeans and you’re all set to go for a post-adventure beer.
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