Field sales jobs requires great convincing skills, explaining the product to the client clearly, Field sales is tough , you have to visit clients in their office, arrange meetings, irrespective of whatever the climate is, condition is. Sometimes they have to do cold calling and cold walking that means, connecting to an anonymous business without prior reference or knowledge and connecting directly with them via calling or visiting without knowing whether they'll meet or not. But it is great for experience, business exposure and career, in this way you help the company bring new clients and revenue for business.