Windrider 55 by Hyperlite Mountain Gear

Ships in 1-2 Days | Based in Biddeford, ME | Est. 2010 Hyperlite Mountain Gear's original backpacking pack The Windrider 55 is the pack that super-efficient thru-hikers and backpackers graduate down to when their kits are dialed, and the calories and fuel they need along the way are never too hard to find. This pack is designed for on-trail, off-trail, and all-season environments, with mesh exterior pockets for content visibility, ventilation, and quick-drying of damp gear. Features: Internal frame with two removable aluminum stays Padded non-removable hip belt with pockets Three external mesh pockets - easy to see what's in your pockets and allows gear to dry faster Tow over the pocket side compression straps for load security D-shaped flat bottom keeps pack upright while loading/unloading Roll-top closure with top Y-strap compression Internal mesh sleeve and hydroport Four exterior triglide buckles for optional pack accessories Daisy chain gear loops on the shoulder straps Grab loop and ice axe loop Sea, tape on all vertical side seams and behind all sewn-on pack features for added water resistance _______________________________________________ Specs Volume: 64.8L (total) Main body: 55L  External: 9.8L Number of External Pockets: 5 Recommended Maximum Load Capacity: 40lbs Sizing: Small: 15” - 17” torso | 38.1cm - 73.2cm Medium: 17” - 19” torso | 73.2cm - 48.3cm Large: 19” - 21” torso | 48.3cm - 53.3cm Tall: 21”+ torso | 53.3cm+ *See our backpack sizing page to learn how to fit a backpack Weight: White Medium: 31.6oz | 896g Black Medium: 34.8oz | 987g Dimensions: 34"H (fully unrolled) x 10.5"W | 86.4cm x 26.7cm Circumference (Top | Bottom): 40” | 33.5” / 101.6cm | 85.1cm Materials: Body: DCH50 Bottom: DCH150 External Pockets: Dyneema® Hardline Shoulder Straps & Hipbelt: Hardline with Dyneema®, Closed cell foam, Spacer mesh PFAS-Free Made in Mexico