Like a casual suit
Else clues• Academic style
• Academically stylish
• Casually attired
• Collegiately attired
• Collegiately dressed
• Informal in taste
• Like some professorial attire
• Like some professors' suits
• Like some professors' wardrobes
• Made of rough wool fabric
• Miss Marple-esque
• Outdoorsily dressed
• Outdoorsy
• Professorial
• Wilco frontman Jeff
• Wilco singer Jeff