Shell: 4-oz 140-denier 100% recycled nylon ripstop
Boot: 4.1-oz 210-denier 100% recycled nylon ripstop
Rain cover: 2.2-oz 100% recycled polyester taffeta
All with a PU coating and a PFC-free DWR finish (durable water repellent coating that does not contain per fluorinated chemicals)
Back panel and straps: 4.4-oz 100% polyester mesh
Pockets: 9.4-oz 66% nylon/34% elastane mesh
Lining: 3-oz 200-denier 100% recycled polyester with a PU coating
Frame: layered foam frame sheet
Note: 679 g (24 oz) 19.5" x 11" x 9.25" 22L (1343 cu in)