Activity:Cycling.Closure type:Zipper.Product main colour:Blue.Chest strap:Yes.Adjustable straps:Yes.Doesn´t contain:Bisphenol A (BPA).Doesn´t contain:Bisphenol S (BPS).Doesn´t contain:Bisphenol F (BPF).Gender:Any gender.Waist belt:No.Ventilation:Yes.Interior capacity:2,5 l.Width:230 mm.Height:350 mm.Depth:150 mm.Warnings:Avoid overloading furniture to prevent tipping over. Warnings:Ensure that any fasteners and locks are well secured to avoid losing contents. Warnings:Regularly check the condition of your backpack, especially the seams and straps, to ensure durability and safe use.