Patagonia Daily capilene base layer shirt size large V-neck Live Simply camper This was bought to wear on a camping trip and I never did wear it The approximate measurements are laying flat across chest under the armpits is 21” Laying flat from shoulder wear shirt sleeve meets to bottom of shirt is 25 inches This shirt is 100% polyester Please make sure the shirt will fit you with these measurements and if you have any other questions concerning measurements, etc., please do not hesitate to ask Please see all pictures for the best description and ask any questions you may have I generally ship out same day as long as payment is received by 1 PM mountain standard time excluding Saturdays, Sundays and holidays thank you and I hope you have a great day!