The Freefly16 is a 16 liter high-performance weatherproof daypack that compresses for travel. - 16 liter capacity - Weatherproof design with sealed seams - Sealing zippers for weatherproofing - Compresses for travel, included mesh compression sack - UHMWPE-reinforced wear panels for extreme durability, abrasion resistance, and tear strength - Adjustable sternum strap - Two gear loops with corresponding Hypalon(TM) reinforced shockcord capture - Breathable, weight distributing shoulder straps - Water resistant front pocket with sealing zipper - Oversized mesh side pockets - Compression straps with side release buckles for stabilizing loads or attaching exterior equipment. Not intended for submersion. Volume: 16 liters Weight: 6.7oz (190g) Unpacked Dimensions: 19 x 10 x 6in (48.3 x 25.4 x 15.2cm) Packed Dimensions: 3.75 x 3.75 x 5.5in (9.5 x 9.5 x 14cm) Materials- 70D RobicA(R) nylon UHMWPE (Ultra-high-molecular-weight polyethylene) reinforced ripstop, PU waterproofing - 50D nylon mini ripstop, UTS waterproofing - Internally sealed seams - Reinforced nylon monomesh weight distributing shoulder straps - Hypalon(TM) reinforced tether points - Number 5 YKKA(R) PU coated sealing zippers - YKKA(R) ultralight, wide entry side release buckles - 210D bonded nylon thread Coating Specs - UTS coating (ultra tear strength): waterproofing and tear strength increase of 30% - PU coating: waterproofing Not intended for submersion.