REI Co-op Traverse 35 hiking backpack. It is a versatile 35-liter pack designed for heavy-duty day hikes or lightweight overnight micro-adventures. Women’s Medium. Includes poncho accessory for backpack coverage in rainy weather. Key Features: Capacity: 35 liters, which sits right in the sweet spot for an all-day gear haul or minimalist backpacking. Access: Top-loading main compartment with a drawcord closure, paired with a lid pocket for easy organizing. Comfort: Features a supportive harness and a padded hip belt configured to transfer weight efficiently away from your shoulders. Material: Built from lightweight but durable grid-patterned nylon fabric to handle trail abrasions