This lightweight slub tee shirt from HIHO is super soft and has a boat neck.  It is long sleeved according to the company but please see the last stock picture as the sleeves actually hit right above the wrist.

Brand:  Hiho
Pattern:  Striped
Color:  White with medium blue, navy blue and red stripes
Manufacturer Color:  Caribbean blue and red
Size:  Medium  
Material: 100% cotton
Style# :  22BTL2
Care:  Machine wash cold, tumble dry low
Condition:  New with tags

Approximate measurements:
 38" chest, 22.5" length