If you're after a casual and at the same time seriously stylish outfit, consider wearing a navy turtleneck and navy check chinos. Why not add burgundy leather tassel loafers for an added touch of polish?
Navy Turtleneck with Burgundy Leather Tassel Loafers Smart Casual Warm Weather Outfits
If you're after a casual but also dapper look, make a navy turtleneck and grey sweatpants your outfit choice. Want to dress it up in the shoe department? Complement this outfit with burgundy leather tassel loafers.