Classic an understated. The khaki belt and the indigo blazer give a casual touch to the tie and the pocket square is exactly what all pocket squares should be - square and white. The brown leather watch band is classy too.
Spring / Summer - Casual Style - Business Casual Style - slim fit narrow notch lapel black blazer + spread collar white shirt + white light sweater + black leather knitted belt + cream or kaki pants + white pocket square + vintage sunglasses
A smart casual combination of a brown wool sportcoat and black jeans can maintain its relevance in many different circumstances. Add dark brown leather double monks to your look for an instant style upgrade.