Always wash inside out on cold if you want it to last. Tumble dry on low (if you must) or just hang to dry. Also avoid ironing directly on the graphic as they are screen-printed
Approximate measurements when laying flat:
S - chest width: 58cm / body length: 62cm / sleeve length: 60cm
M - chest width: 60cm / body length: 64cm / sleeve length: 62cm
L - chest width: 64cm / body length: 68cm / sleeve length: 66cm