Product information ROCKBROS Windproof bike jacket with detachable sleeve It is a breathable and lightweight jacket for summer and autumn. Detachable sleeves allow the jacket to be used as a waistcoat. One garment and three wears: 1: Long sleeve mode (warm and sun protection, suitable for spring and autumn riding); 2: Vest mode (breathable waistcoat, more comfortable riding); 3: Scarf mode (free adjustment, sun protection more freely). 92% polyester and 8% elastane, the jacket is breathable and quick-drying You can store your items in the two rear side pockets Elasticated drawstring allows free adjustment of the hat circumference Reflective design: high visibility at night Breathable mesh at the side waist Attention:This is a European size, please choose the size carefully before purchasing, thank you :-)