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Long Sleeved Crew Neck Top (16.5 Microns)
Rated 5.00 out of 5 based on 1 customer rating
(1 customer review)The Merino Base Layer Top delivers natural warmth, breathability, and softness for every adventure. Crafted from superfine Merino wool, it regulates temperature, wicks away moisture, and resists odor buildup. Perfect for hiking, travel, or everyday layering, this lightweight thermal top provides comfort and flexibility in all seasons without bulk.
$ 130
Mason William Merino Product Details
Product description
Merino base layer top
Made from 100% Australian superfine Merino wool (16.5 microns), this tee delivers exceptional softness, a silky sheen, and all-season versatility. Knitted from ultra-fine 2/100nm yarn, it offers a baby-soft feel against the skin with zero itch.
Naturally temperature-regulating and fast-drying, it keeps you cool and fresh in summer — perfect for beach days — while providing breathable warmth as a winter base layer.
Machine washable for easy care (we recommend using a laundry bag), this piece is as practical as it is luxurious. Designed for year-round wear.
Fit & Sizing
This piece offers excellent stretch and flexibility.
Claire is 165 cm tall, weighs 65 kg, and has a 95 cm bust and 107 cm hips. She typically wears an AU size 10–12.She tried on multiple sizes — here’s how each one fits her:
Size M – A close, body-hugging fit
Size XL – A relaxed, everyday silhouette
Size XXL – Loose and breezy — ideal for summer or as a beach cover-up
Features
- 100% superfine Australian Merino (130g/m2 16.5 microns)
- Certified Oeko-Tex 100
- Regulates body temperature
- Machine washable
- Flatlock seams to minimize chafing
- Non itch comfort
- Naturally odour resistant
- UPF 50+
Customer Reviews
WHY MASON WILLIAM
More than just clothing
This isn’t just apparel. Mason William gives you the confidence to take on whatever life brings.
Designed to be as versatile as your lifestyle, we’re on a mission to create high-quality merino activewear and wardrobe essentials that are accessible to everybody.
Every piece is designed to make you feel like your very best self, whatever you're doing.
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This product has multiple variants. The options may be chosen on the product page
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This product has multiple variants. The options may be chosen on the product page


1 review for Long Sleeved Crew Neck Top (16.5 Microns)
Great top, comfy, warm, and washes well. Love it!