Crafted from a blend of Nylon and Polyester, this practical windproof jacket features essential reflective materials for night activities along the chest, sleeves, and hood Woven with ultra fine 20 D yarns, its 380 T down proof material provides wind resistance, enhanced by a water resistant DWR coating Weighing less than 195 grams, it folds into a palm sized pouch, with a hidden chest zip mesh pocket for convenience and air circulation. Measurement (cm) Chest Length Shoulder Sleeve Length XS 113 67.6 50.2 62 S 118.1 69.2 52.7 62.5 M 123.2 70.8 55.2 63.2 L 128.3 72.4 57.8 63.8 XL 134.6 74.6 61 64