Alpinestars Combo Back CSF T-Shirt The Alpinestars Combo Back CSF Short Sleeve T-Shirt blends casual utility with trackside style in an everyday staple for motorcycle enthusiasts. Its cotton-poly blend offers breathable year-round comfort and lasting durability. Features: Front & Back Graphics : Soft-hand Astars prints on both sides deliver a clean motorsport-inspired look with a smooth feel Labeling Details : Refined branding details provide a more premium finish and reduce the feel of a traditional neck label 60 Combed Ring-Spun Cotton / 40 Polyester