Waterproof and breathable in order to avoid condensation inside the bag, the TRILOGY BIVY ultra-light mountaineering overbag is designed to combine with the TRILOGY QUILT sleeping bag to compose a kit weighing less than a kilo, made for high altitude bivouac. Field-tested by our technical experts, mountain guides and mountaineers, it is made of very light and breathable PERTEX® SHIELD XLIGHT 3L, assembled with waterproof seams to provide efficient protection against the rain and snow, without generating moisture inside. Compact and functional, this MILLET overbag has a hood with a draw cord and comes with a compression bag. Specifications Mummy shape, bivvy bag Sealed seam construction without zip Hood with drawstring Compression sack Dimensions Length : 235 cm Maximum user size : 200 cm Shoulder width : 82 cm Compression bag volume : 1 litres Compression bag size : 20 cm x 9 cm Weight : 235 g Fabrics Main Fabrics : PERTEX® SHIELD XLIGHT 3L // 100% Polyamide // Breathability : 20 000 g/m²/24h ; Waterproofness : 20 000 mm ; DWR Water-repellent treatment PFC Free Eco-responsible criteria Responsible fabric : No Certified fabric : Yes PFC Free : Yes Durable and resistant fabric tested in our lab : No Activities Mountaineering Shipping Trek