A sturdy and warm sweatshirt with the Open Source official artwork bound to keep you warm in the colder months. A pre-shrunk, classic fit sweater that's made with air-jet spun yarn for a soft feel and reduced pilling.

• 50% cotton, 50% polyester
• Pre-shrunk
• Classic fit with no center crease
• 1x1 athletic rib knit collar with spandex
• Air-jet spun yarn with a soft feel and reduced pilling
• Double-needle stitched collar, shoulders, armholes, cuffs, and hem

Size guide