A core essential in every wardrobe, this undershirt works as a base-layer or stand-alone shirt. The SI Core Tee is a soft poly/cotton material with plenty of stretch, ribbed collar, and soft seam construction. Complete with a subtle Oakley SI logo on the left sleeve.

• O Hydrolix with moisture wicking and quick dry
• 85% poly/15% cotton
• Regular fit
• Ribbed collar