GU Simple gray long-sleeved cut-and-sew, crew neck design. - Color: Gray - Sleeve Length: Long Sleeve - Neckline: Crew Neck 371-266982 (54-01) Size S Height 155-165cm Chest 80-88cm Rayon 39% Cotton 36% Polyester 21% Polyurethane 4% Thick material with a brushed-back feel, likely GU Style Heat Extra. (Similar to Uniqlo's "Kiwami-Daku"?) The product name wasn't listed, so please judge from the images. It's a very warm inner layer. Purchased about 10 years ago and worn a few times, then stored long-term. Please check the condition in the images. There may be oversights, so please ask if you have any concerns. Thank you for viewing. Size...S