Carhartt WIP S/S OG Loose Pocket T-Shirt Ash Heather in Ash Heather. The S/S OG Loose Pocket T-Shirt is made from midweight cotton jersey in an oversized fit. A woven, black Square Label appears on the chest pocket. Key features Chest pocket Crewneck Material and care Care: Do not tumble dry, Hang to dry, Iron up to 110°C, Machine washable up to 30°C (delicate cycle) Size and fit Short sleeve