The Birkenstock x Tekla long-sleeved shirt is inspired by the oversized pieces worn for comfort and ease of movement. The fabric is tightly woven for durability and a smooth, even finish, then lightly stonewashed for a soft hand feel. The extra-long yarns used prevent pilling and guarantee a deep, pure colour even after years of use. 100% organic cotton Lightweight 122 GSM poplin weave Lightly stonewashed for a soft hand feel Oversized, elongated fit with side slits Long sleeves with buttoned cuffs -Chest pocket Standing collar French seams Oeko-Tex® Standard 100 certified Made in Portugal Size Chart