Base Layer Leggings 230g
- In stock, ready to ship
- Backordered, shipping soon
- Free Express Shipping over $150 AUD
- Delivered within 1-4 business days
- Easy return, purchase with confidence
Thermal Base Layer Women's Winter Tights
These essential base layer leggings are made from 100% superfine Merino wool, designed to offer lightweight warmth, breathability, and next-to-skin softness. Perfect as thermal underwear for colder months or worn on their own for lounging and low-impact activities.
- 100% superfine Merino wool – soft, non-itchy, and gentle on skin
- Naturally thermoregulating, moisture-wicking, and odor-resistant
- Slim, flexible fit – ideal for layering under trousers or ski gear
- Breathable and quick-drying for all-day comfort
- Perfect for everyday wear, outdoor adventures, or as cozy loungewear
Your go-to autumn and winter base layer for comfort, warmth, and natural performance.
Size Hip (cm) Length (cm)
M 85–95 100
L 90–100 102
XL 95–105 104
XXL 100–110 106
Note: These are flat garment measurements. The fabric has natural elasticity and can comfortably stretch an additional 10–15 cm.
Kelly is 163cm tall with a 97cm bust, 86cm waist and 105cm hips and wears a size L----XL.
For a relaxed fit, we recommend choosing one size up.
- Ultrafine merino — 16.5–18.5µm fibres, soft on skin with no itch
- Temperature regulating — warm in the cold, cool in the heat
- Breathable & moisture-wicking — comfortable through any activity
- Naturally odour-resistant — wear longer between washes
- Easy care — machine washable, no ironing needed
- Responsibly made — 100% Australian wool, OEKO-TEX® Standard 100 & RWS certified
Lightweight, all-season comfort for everyday wear, travel and the outdoors.
Domestic (Australia & NZ): Free Express Shipping on orders over $150 AUD; standard rates apply for orders under $150 (calculated at checkout). Delivered within 1–4 business days.
International: Express shipping via Australia Post or DHL Express, estimated 5–14 business days depending on location. Customs duties & taxes are the recipient's responsibility.
Processing & tracking: Orders are dispatched within 1 business day; you'll receive a tracking number by email once shipped. We use eco-friendly packaging wherever possible.
Please double-check your shipping address at checkout — we're unable to change it after dispatch. Questions? info@masonwilliammerino.com.au or 03 6288 7615.
28-day change-of-mind returns (42 days for international orders). Items must be unworn, unwashed, in original condition with all tags and packaging, and not final sale or clearance. Proof of purchase required.
Your options: a refund to your original payment method (Afterpay refunds are processed less a 6% fee), an exchange, or a store credit valid for 24 months.
Exchanges: one free exchange per order — we cover the replacement shipping. Extra exchanges are AUD $15 (AU & NZ) or AUD $60 (international). Change-of-mind return postage is at your own cost.
Faulty or incorrect items: email your order number and photos of the fault and we'll fix it as soon as possible.
Not eligible: final sale / clearance items, underwear & intimate apparel (hygiene), and gift cards.
Returns are inspected and processed within 14 business days. Questions? info@masonwilliammerino.com.au or 03 6288 7615.

