$58 Retail Allbirds Sea Long Sleeve Tee Soft-to-the touch Classic Everyday Style Arm Pit to Armpit measurement is 23 inches. The top of the collar at the middle of the neck on the back to the bottom hem is 29 inches. DETAILS Classic. Soft. Drapes just right. Best For: Everyday style, classic comfort Material: Made with 65% Tencel 30% Merino Wool 5% Chitosan Fit: Classic hits at hips Crewneck Where It’s Made: Peru CARE GUIDE 1. Machine wash on cold using mild detergent. 2. Tumble dry low. Or, to minimise your carbon footprint & maximise your product’s lifetime, air dry. Do not iron, bleach, or dry clean.