Aerie Oversized Pullover Sweater. It is characterized by a "clunky" or "deconstructed" knit texture, a classic crew neck, and dropped shoulders for a boxy, oversized fit.
Product Details
Brand: Aerie (American Eagle Outfitters).

Style: Often listed as the "Deconstructed Crew Sweater" or simply an "Oversized Pullover".

Features:

Ribbed cuffs, neckline, and hem.
Split hem detail on some models.
Textured, slightly open knit material described as "soft" and "lighter weight".
Color: Cedar Expedition or similar tan/brown hues.