<!--ProdInc[170084458]/Mall:[rei_US]--> Made with rugged, recycled ripstop nylon that withstands whatever the road throws your way Durable water repellent (DWR) on shell and lining helps moisture bead up on the surface Lightly padded shoulder straps provide carrying comfort; sternum strap gives extra stability when you''re running to a departure gate Sternum-strap buckle doubles as a survival whistle Waistbelt is removable when not in use Zip-top design makes packing and unpacking easy Hidden daisy chain on the front of the bag lets you lash on gear Easy-access side panel keeps travel essentials convenient and well-organized Access port at the top accommodates a hydration reservoir tube (reservoir not included) Internal sleeve holds a laptop or reservoir (reservoir not included) 1 bottle holder keeps water handy while you''re hiking Compression straps keep the weight of the pack close to your back for stability Trekking-pole attachments tuck out of the way when not in use Lockable zippers help keep bag contents secure while traveling (lock not included) This item meets carry-on size restrictions for most airlines (size not to exceed 45 linear inches when adding L+W+H; this is subject to change, so check with your airline) REI is Climate Neutral Certified; as we work to actively reduce our footprint, we measure annual carbon emissions and purchase an equivalent amount of verified carbon credits Contains materials that meet the bluesign criteriaImported. Technical specs <table border=1 cellpadding=5 style=''border-collapse: collapse;''><!--[--><tr class=''tech-specs__row'' data-v-fc44804c=''''><th class=''tech-specs__header'' data-v-fc44804c=''''>Best Use</th><td class=''tech-specs__c <a href=''https://www.rei.com/product/176899/rei-co-op-ruckpack-18-recycled-daypack?colorId=123601'' target=_blank><img src=''https://www.antpop.co.kr/antMain/AntImgView?CustID=jellymom2&MallKind=US&MallID=rei&ProdInc=170084458&MallIDEncodeYes=0&SiteName=PostSelf'' width=''100px'' height=''20px'' border=0></a>