You may deduct your unreimbursed employee expenses on Schedule A; they are an itemized deduction subject to the 2% rule.  To enter, sign in, click on 'Take Me to My Return' and go to: 

1. Select Federal (left menu)
2. Select Deductions and Credits (top menu)
3. Scroll down to Employment Expenses   (you may need to click 'show all tax breaks')
4. Select Start/Revisit  Job-Related Expenses

You can deduct only unreimbursed employee expenses that are:

• Paid or incurred during your tax year,
• For carrying on your trade or business of being an employee, and
• Ordinary and necessary.

An expense is ordinary if it is common and accepted in your trade, business, or profession. An expense is necessary if it is appropriate and helpful to your business. An expense doesn't have to be required to be considered necessary.