Swedish model Hedvig Palm, after A Show, NYC, September 2015.
Classic striped shirt + sweater combination. 
Recreate Hedvig's look (kind of):
J.Crew Ludlow shirt, Toteme Capri striped shirt, Rag & Bone/JEAN Boyfriend shirt, or J.Crew Collection embellished shirt in narrow stripe
J.Crew summerweight sweater, Equipment Rei cashmere sweater, Maison Margiela elbow-patch sweater, or The Elder Statesman cashmere sweater