The Castelli Core Mesh 3 Short Sleeve Base Layer is all about regulating your temperature keeping you cool and dry on warmer days. The stretchy form fit (achieved without Lycra) sits next to the skin without rucking and with minimum seams, provides day-long comfort.

Key Features

• Magic Mesh 90% polyester wicking fabric
• Minimalist lightweight construction
• Reduced seams for greater comfort
• Wide collar
• Sizes S/M - L/XL - 2XL
• Weight 88g
• Castelli comfort range 20"?-30"?C