Long underwear is the MVP when it’s cold outside. While your little one is running around in 30 degrees, pretending like it’s in the 60s, they need to have that extra layer of warmth. Instead of trying to shove old PJ-pant-clad legs into snow pants, invest in some of the best long underwear. You won’t regret it.
There’s a reason why long underwear was worn for literal centuries. Despite being a thin fabric, long underwear is deceptively warm. It can make or break your sledding day. Your kids might last much longer than they would have without it, especially on a frigid day. The long underwear keeps their heat in — without making them sweaty. Some of the long underwear picks on our list are moisture-wicking. Long underwear is also stretchy, so it won’t restrict your little ones during a snowball fight or family hike. Your kids might love their long underwear so much that they’ll want to sleep or lounge around in it when the weather outside is truly frightful.
There are solid black and white options, which you might be familiar with from your own childhood, but there are also tons of colorful options too. There are even some tie-dye sets — how cool is that? Your kids won’t roll their eyes when you tell them to put on these fun sets.
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1. Rocky Thermal Underwear for Boys
This long underwear set strikes the delicate balance of warm and dry. Sometimes, long underwear can be too warm and cause your kiddo to sweat, but this set is moisture-wicking. It’s made of soft polyester and Spandex, so it has plenty of stretch. Plus, it comes in multiple patterns and colors. Rocky also makes a long underwear set for girls.
2. Just Love Thermal Underwear Set for Girls
If your girl is a big fan of tie-dye, she’ll be obsessed with this super colorful long underwear set. The set is composed of cotton and polyester, so your kiddo will be comfy all day. Each piece has elastic around the cuffs, so the long underwear will stay in place and not ride up or down. Plus, there are plenty of other tie-dye patterns to browse.
3. City Threads Suit Unisex Thermal Underwear
This unisex one-piece is perfect for any kid that wants to feel warm from head to toe without the hassles of putting on multiple clothing. The super-soft cotton of the onesie doubles as an insulator that is perfect for layering under puffer jackets and other snow gear. It’s also made with soft dyes, so there are no harsh chemicals touching the skin. Cold days just got a whole lot easier.
4. ViCherub Girls Thermal Underwear Set
When the holidays roll around the corner this set is perfect for your little one because it comes in a pair of two — a plain black one and a festive pattern. The festive pair of thermal underwear is one way of spreading cheer while staying warm this year. The fabric is microfiber, which makes it lightweight and durable enough to withstand the cold.
5. DEVOPS Unisex Fleece-Lined Thermal Underwear
With this unisex fleece-lined set, your child will feel the warmth longer. It’s made from spandex, which means its ultra-soft material stretches and gives room for your kids to grow into them. When it hits below freezing, this thermal underwear acts as a furnace by using its heat-retention technology. They can even stay indoors and enjoy a hot cup of cocoa while lounging in this comfy set.
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