Boss Technical Fabric Short Sleeve Shirt pairs breathable, lightweight technical fabric with a short zip collar for sporty, everyday wear. Designed for freedom of movement, it works equally well for training sessions and casual looks. Key attributes: Gray | Polyester | Breathable fabric | Lightweight | Stretch | Partial zip closure at collar | Visible chest logo | Short sleeves | Collar with short zip | Contrasting shoulder details | Textured technical fabric | Composition & care: 86% Polyester | 14% Elastane | Machine wash cold, gentle cycle. Do not tumble dry. Cool iron if needed.