The Trillium is a womens specific design and its a full-capacity pack that is ideal for multi-day backpacking. This pack features a removable day pack, protective features for those inclement weather days and canted water bottle holders for easy access on the trail. Features: - Medium rain cover fits this pack - Designed specifically for a womens frame - Load Dispersion Technology Suspension - Independently adjustable shoulder straps with dual density foam - Elastic sternum strap and bite valve catch - Safety Whistle - Molded foam back panel - Pivoting waist belt with dual density foam and a HDPE sheet - 4 load adjusters for load dispersion - Detachable lid - Water resistant clear map case - Collared storm shield with draw cord closure - 4 compression straps with quick-release hardware - Detachable day pack that is hydration compatible - Zippered vertical front pocket with elastic rigging - Fleece lined eyewear pocket - Key clip - Internal organizer pockets - U-shaped zippered access into the main compartment - Dual ice axe loops with daisy chain rigging points - Separate sleeping bag compartment with internal divider - Sleeping pad compression straps with quick release hardware - 2 canted water bottle pockets that accommodate 32 oz water bottles - Hydration compatible with dual exit ports - Trekking pole mounts Product Details: - 150d Recycled PET rip stop lining - 840d Recycled PET reinforcements - 450d Recycled PET body fabric - 100% Recycled PET webbing and binding - Bar tack reinforcements - Twin T6 1 6061 concave aluminum stays Specifications: Dimensions: 27.5'' x 13'' x 14'' 70 x 33 x 36cm Weigh:t 4 lbs. 7 oz. 2.13 kg Volume: 2929 cu. in. 48 L Fit Range: 15'' - 19'' 38 - 48 cm Manufactures Website Address www.mountainsmith.com Warranty Information