Volume: 30 L; Weight: 810g; Dimensions: 49cm x 31cm x 29cm; Material: 300d Robic Nylon/Poly; Suitable For: Short climbing sessions or quick hikes; Added breathability with foam and mesh back panel; Clipping points with reflective tape to increase visibility in low light; Water bottle pocket to outside; Added comfort with ergonomically designed and padded shoulder harness; Rain cover; Added support with removable webbing waist belt; Tool/ trekking pole attachment; Spacious main compartment; :: Men > Backpacks Size: one size.