looking for 10-15lbs of mass but still looking to stay cut up for the summer??

[boals]

Summer is coming and looking to put on 10-15 solid pounds and with the hard cut up look any ideas on what would do this for me?????


* My experience 3-4 yrs lifting 6 days a week, Height 6'1'', Weight 181lbs
Age 21

Thanks for your responses!