Allbirds Men's Sea Tee Long-Sleeve Color: Black Size: Medium Named the best sleep t-shirt by GQ Magazine, the Sea Tee has a silky-smooth feel, a byproduct of Allbird's sweat-wicking tencel, temperature-regulating merino wool, and odor-reducing chisotan. Good condition; no issues. Tags have been removed. Care instructions: Machine wash warm, gentle cycle. Line dry in shade. 65% TENCEL Lyocell, 30% Merino wool, 5% Chitosan, 3% Spandex Measurements Pit-to-pit: 19.5-20 in. Length: 27.5 in.