Go Barefoot Hawaiian Shirt, Men's Medium (bigger cut would also suit a Large)

dense print features geometric tapa/tribal patterns and turtle silhouettes (honu)
reverse print: darker fabric on interior giving exterior a slightly 'faded' look
marbled, plastic buttons
chest pocket with aligned/matched pattern
twin upper back pleats
split side vents

True Fit:
CHEST  46.5 in / 118 cm
LENGTH 29 in / 74 cm
SHOULDER 18.5 in / 47 cm

VG condition; gently pre-owned and well maintained; seems hardly worn at all, actually