The REI Co-Op 100% Merino Wool Base Layer Pants for kids in size medium (10-12) are perfect for active young individuals who enjoy skiing and hiking. These pull-on pants are designed for travel and activewear, with a stylish purple color and a comfortable base layer style. Made from high-quality 100% Merino Wool, these pants provide both warmth and breathability, making them an ideal choice for outdoor activities in colder weather. Perfect for both boys and girls, these versatile pants are a great addition to any young adventurer's wardrobe.