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Kids Base Layer Bottoms
200 Oasis Base Layer Leggings - Kids'
IcebreakerCozy base layer bottoms for milder winter days and year-round layering, the Icebreaker 200 Oasis kids' leggings harness the natural benefits of merino wool to keep them comfy and warm.
Base Layer Set - Kids'
Threads 4 ThoughtExtend their outdoor fun into the shoulder seasons by layering them up in the kids' Threads 4 Thought base layer set. It's soft and and stretchy and adds just-right warmth on chilly days.
Base Layer Set - Toddlers'
Threads 4 ThoughtExtend your outdoor fun into the shoulder seasons by layering your toddler up in the Threads 4 Thought base layer set. It's soft and and stretchy and adds just-right warmth on chilly days.
Classic Thermal Merino Base Layer Bottoms - Kids'
SmartwoolWhen the mercury dips and your kiddo heads out to play, the kids' Smartwool Classic Thermal Merino base layer bottoms offer breathability, natural stretch and a layer of warmth for cold-weather fun.
Courtnay Base Layer Leggings - Girls'
ObermeyerA versatile winter essential, the girls' Obermeyer Courtnay leggings can be worn as a base layer on the mountain or casual pants back at the lodge.
Courtnay Base Layer Leggings - Girls'
ObermeyerYoga-inspired leggings with ample stretch in the single-sided brushed stretch jersey knit, Obemeyer Courtnay leggings provide unrestricted movement and an active fit.
Elevation Merino Fusion Base Layer Set - Kids'
tasc PerformanceThis buttery soft, non-itchy tasc Performance Elevation Merino Fusion base layer set for kids will keep them warm while naturally wicking moisture from their body to keep them comfortable.
Elevation Merino Fusion Base Layer Set - Toddlers'
tasc PerformanceThis buttery soft, non-itchy tasc Performance Elevation Merino Fusion base layer set for toddlers will keep them warm while naturally wicking moisture from their body to keep them comfortable.
Lightweight Long Underwear Bottoms - Infants'/Toddlers'
REI Co-opLayer your little one with the REI Co-op lightweight long underwear bottoms for infants and toddlers. Designed for warmth, these bottoms are easy to pull on and absorb moisture as it comes.
Lightweight Long Underwear Bottoms - Kids'
REI Co-opLayer your hiking pal with the REI Co-op lightweight long underwear bottoms for kids. Designed for warmth, these bottoms are easy to pull on and wick moisture for comfort.
Merino Midweight Base Layer Bottoms - Kids'
REI Co-opIdeal for cold weather, the kids' REI Co-op merino midweight base layer bottoms are soft—not scratchy—naturally regulate temp and made with wool that's certified to the Responsible Wool Standard.
Midweight Long Underwear Bottoms - Kids'
REI Co-opThe kids' REI Co-op Midweight Long Underwear Bottoms are warm and very good at wicking moisture, making them an ideal base layer for highly aerobic cold-weather fun, like skiing and snowshoeing.
Midweight Long Underwear Bottoms - Toddlers'
REI Co-opThe toddlers' REI Co-op Midweight Long Underwear Bottoms are warm and very good at wicking moisture, making them an ideal base layer for highly aerobic cold-weather fun, like skiing and snowshoeing.
Teen Printed Waffle Base Layer Set - Kids'
The North FaceWith 100% recycled fabric and integrated FlashDry™ tech, The North Face Teen Printed Waffle base layer set is ideal for cool nights around campfires or long days in the cold snow.