For parent-child matching outfits. Rib-knit design orange long-sleeved knit. Adult M size. Kids' size 2-3 years old. Total length and sleeve length are shown in the photos. Both were purchased new two years ago and worn about 10 times. No stains, not sheer. Not thick, so can be worn in early spring. Kids' clothing has some pilling. Thank you for looking. Neckline... Crew neck/U-neck