The prAna Tamrack features classic plaid in a comfortable short-sleeved button up. A bias cut back yoke creates interesting detail in the moment, while the organic cotton blended fabric makes it super soft. Yarn dye plaid with space yarn. 50% organic cotton, 38% polyester and 12% conventional cotton. Single chest patch pocket. Bias cut back yoke. Standard fit. Material: Organic Cotton, Polyester, Conventional Cotton.