Here are some options, depending on the meaning:
For "stylish clothes or accessories":
* Стиль (stil') - This is the most general term for style.
* Модный (modnyy) - This means "fashionable."
* Клёвый (klyovy) - This means "cool" or "awesome."
* Крутой (krutoy) - Similar to "klyovy," it means "cool" or "awesome."
For "confidence and coolness":
* Харизма (kharizma) - This means "charisma" and implies a certain confidence and attractiveness.
* Уверенность в себе (uverennost' v sebe) - This means "confidence in oneself."
* Шарм (sharm) - This means "charm" and implies a certain allure and coolness.
For "swagger":
* Ходить с размахом (hod'it' s razmakhom) - This means "to walk with swagger" and implies a confident and stylish gait.
For "swag" as in loot or spoils:
* Добыча (dobycha) - This means "loot" or "spoils."
* Награда (nagrada) - This means "reward."
The best choice depends on the context and what you want to express. If you're unsure, using a phrase like "стильный образ" (stylish look) or "крутой стиль" (cool style) would be the safest bet.