Designed to keep kids warm without weighing them down, these base layer bottoms feature a soft, sweat-wicking fabric blend of recycled polyester and spandex. The lightweight 200 g/m² material provides excellent warmth while maintaining breathability, making them ideal for active outdoor clothing layering.
- UPF 50+ sun protection shields delicate skin during sunny adventures.
- Low-profile waistband ensures a comfortable fit that moves with your child.
- Durable flatlock seams prevent irritation, allowing for all-day comfort.
- Available in sizes tailored to growing kids, with an inseam length of 21.75 inches for size S.
- Easy care: machine wash cold on gentle cycle, tumble dry low; avoid bleach and fabric softeners.
These top rated kids’ thermal base layer pants are a reliable choice for parents looking to buy kids’ lightweight base layer bottoms that perform in any weather. Whether layering for hiking, skiing, or everyday outdoor fun, these bottoms offer the best thermal protection for kids outdoor activities.
Melissa Harris (verified owner) –
These base layer pants are fantastic! My child stays warm and comfortable during all our hiking trips. The lightweight fabric is perfect for layering without bulk.
Joseph Morgan (verified owner) –
Great value for cheap kids’ activewear base layers. They dry quickly and fit well, making them my go-to choice for outdoor clothing in cooler months.
Robert Russell (verified owner) –
I’ve read many reviews of kids’ outdoor layering clothing, and these REI Co-op thermal bottoms truly stand out for their durability and sun protection.