Note on material: 100% cotton, sturdy fabric, double-brushed on both sides, comfortable to wear, keeps you warm even in cooler temperatures. "Twoface" weaving technique: shirt is checkered on the outside, solid dark blue on the inside, includes two patch chest pockets. Color scheme: dark blue checkered with green details. Performance without compromise thanks to Festool service. The direct, practical, and comprehensive service for you and your tools.