Roller Coaster Puffer Vest" in Off White from the brand Fashion Nova.

Fashion Nova This vest is an off-white, padded garment for men, which features a full zip closure and side buckle details at the waist. It is part of a matching set, paired with the "Split Vision Relaxed Belted Pants" also in cream/off-white. The model is also wearing dark sunglasses that appear to have a small logo on the temple.