Blazer: This Yohji Yamamoto Y3 blazer is sporty but has enough style to easily get you through cocktails and dinner. Because of the lightweight Gortex fabric, its easy to pack and is rainproof $1,035 at adidas.com. T-shirt: Works with a jacket and scarf or perks up casual pants. Gray, black and white striped Yohji Yamamoto Y3 j jersey T shirt $160 at adidas.com. Scarf: One simple accessory can change your look instantly. This navy and white striped scarf by Armor Lux adds a splash of energy to your look without adding the look at me drama (barneys.com).