Baby Girls Base Layers FAQ

Does a baby need a base layer under a snowsuit?

Many parents add one so the snowsuit isn't touching skin. Deux par Deux makes one-piece thermal underwear for babies to wear under a snowsuit. Choose a layer that lets her move freely, then add a snowsuit from baby girls snowsuits.

What is the one-piece thermal underwear made of?

The Deux par Deux jumpsuit is listed as super soft, thick brushed jersey with long raglan sleeves, a round neckline and an asymmetrical zipper closure. It is designed to keep little ones warm while they move freely. Check the product page for details.

What sizes does the baby version come in?

The baby sizes are 6M, 12M, 18M and 24M. The same Deux par Deux suits continue in kids' sizes 2 to 14, which is handy if an older sister wants a matching layer. Check the brand's size chart if she's between sizes.

What about car seats and strollers?

Always follow your car seat manufacturer's guidance on winter clothing. For strollers and outings, browse baby bunting bags and footmuffs.

Do you ship Baby Girls Base Layers to Canada and the US?

Yes. Every order ships from Canada, usually within 1–3 business days, with an estimated delivery time of 6–10 days within Canada and 8–15 days to the US. Shipping is free on orders of $160 CAD or more in Canada and $160 USD or more in the US; smaller orders ship for a flat $15.95 CAD or $10.95 USD. US shoppers see prices in US dollars, and US orders are subject to customs duties and taxes, which are paid by the customer. See our shipping policy for details.

Can I return Baby Girls Base Layers items?

Yes, within 14 days of receiving your order. Contact us before sending anything back; items must be unworn and unused, with tags and original packaging, and return shipping is paid by the customer. Full details are in our return and refund policy.