<!--ProdInc[170065837]/Mall:[rei_US]--> Adjustable hand strap cinches down for a precise fit; soft, padded thumb loop lets you hold the flask in either hand without gripping or squeezing Soft material conforms to your hand and packs away when empty; it shrinks as you drink, reducing water movement Leakproof 42 mm SpeedFill cap provides fast refill access High-flow, self-sealing bite valve Compatible with 42 mm threaded backcountry water filters, including the HydraPak 42 mm Filter Cap (not included) Made from abrasion-resistant TPU with RF welded seams for superior durability and elasticity Wide working temperature range?can be frozen or used in max temperature of 60°C/140°F 100% BPA- and PVC-freeImported. 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__cell'' data-v-fc44804c=''''><!--[--><p class=''tech-specs__value'' data-v-fc44804c=''''>Running</p><!--]--></td></tr><tr class=''tech-specs__row'' data-v-fc44804c=''''><th class=''tech-specs__header'' data-v-fc44804c=''''>Liquid Capacity (L)</th><td class=''tech-specs__cell'' data-v-fc44804c=''''><!--[--><p class=''tech-specs__value'' data-v-fc44804c=''''>0.5 liters</p><!--]--></td></tr><tr class=''tech-specs__row'' data-v-fc44804c=''''><th class=''tech-specs__header'' data-v-fc44804c=''''>Liquid Capacity (fl. oz.)</th><td class=''tech-specs__cell'' data-v-fc44804c=''''><!--[--><p class=''tech-specs__value'' data-v-fc44804c=''''>18 fluid ounces</p><!--]--></td></tr><tr class=''tech-specs__row'' data-v-fc44804c=''''><th class=''tech-specs__header'' data-v-fc44804c=''''>Dimensions</th><td <img src=''https://www.antpop.co.kr/antMain/AntImgView?CustID=jellymom2&MallKind=US&MallID=rei&ProdInc=170065837&MallIDEncodeYes=0&SiteName=PostSelf'' width=''100px'' height=''20px''>
<!--ProdInc[170065837]/Mall:[rei_US]--> Adjustable hand strap cinches down for a precise fit; soft, padded thumb loop lets you hold the flask in either hand without gripping or squeezing Soft material conforms to your hand and packs away when empty; it shrinks as you drink, reducing water movement Leakproof 42 mm SpeedFill cap provides fast refill access High-flow, self-sealing bite valve Compatible with 42 mm threaded backcountry water filters, including the HydraPak 42 mm Filter Cap (not included) Made from abrasion-resistant TPU with RF welded seams for superior durability and elasticity Wide working temperature range?can be frozen or used in max temperature of 60°C/140°F 100% BPA- and PVC-freeImported. 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__cell'' data-v-fc44804c=''''><!--[--><p class=''tech-specs__value'' data-v-fc44804c=''''>Running</p><!--]--></td></tr><tr class=''tech-specs__row'' data-v-fc44804c=''''><th class=''tech-specs__header'' data-v-fc44804c=''''>Liquid Capacity (L)</th><td class=''tech-specs__cell'' data-v-fc44804c=''''><!--[--><p class=''tech-specs__value'' data-v-fc44804c=''''>0.5 liters</p><!--]--></td></tr><tr class=''tech-specs__row'' data-v-fc44804c=''''><th class=''tech-specs__header'' data-v-fc44804c=''''>Liquid Capacity (fl. oz.)</th><td class=''tech-specs__cell'' data-v-fc44804c=''''><!--[--><p class=''tech-specs__value'' data-v-fc44804c=''''>18 fluid ounces</p><!--]--></td></tr><tr class=''tech-specs__row'' data-v-fc44804c=''''><th class=''tech-specs__header'' data-v-fc44804c=''''>Dimensions</th><td <img src=''https://www.antpop.co.kr/antMain/AntImgView?CustID=jellymom2&MallKind=US&MallID=rei&ProdInc=170065837&MallIDEncodeYes=0&SiteName=PostSelf'' width=''100px'' height=''20px''>