Most listings state "machine wash." Some items also include "tumble dry," while others provide washing instructions but do not specify drying guidance. Care details vary by product.
Listings call out shrink-resistant or "shrink-less" finishes, taped neck seams, and fabric constructions or blends designed to limit excessive shrinkage and help shirts retain their shape.
Lengths range from at-hip to below-waist, and many big & tall items offer extended or longer lengths for extra coverage. Some listings include explicit length notes (for example, about 34" for big and 36" for tall).