Very cute thin cotton shorts are ideal for the house. You can also wear darker colors on the outside. My kids love them and wear them all the time. I have a couple of sets that are a size 9/10 and they fit my tall, slim 8 year old son and 11 year old daughter.
π Bold Pack Sleeve Active Hoodie Sweatshirt Set for Boys' Clothing - Stylish and Comfortable!
47 Review
Arctix Youth Pants Reinforced: Large Boys' Clothing for Active Adventures
46 Review
π Boys' Outdoor Climbing Convertible Trousers - Waterproof | Clothing
47 Review
Waterproof Cozy-Dry Rain/Snow Pants for π§ Kids by JAN & JUL, with Fleece Lining
64 Review