backpack wheels laptop 360° rotating Water Resistant Rolling with 4 Removable for Adults,Airline Approved Carry on Luggage Fit 15.6 Inch Travel Backpack with USB Charging Port : Electronics and zipper pocket 16" Compact Rolling Backpack

Gear ratio: 6.2 Practical drag force/Max drag force (kg): 10/13 Own weight (g): 425 Spool size (diameter/stroke) (mm): 57.5/19 Nylon bobbin volume (lb-m): 4-240, 5-190, 6-160 PE winding amount (No.-m): 2-440, 3-300, 4-210 Maximum hoisting length (cm/1 turn of handle): 112 Handle length (mm): 65 Number of bearings (BB/roller): 13/1

I once ignored this when choosing a hiking pack that had a metal frame right at the height of the back of my head

You know, in case you do end up slipping on the trail and give yourself some scrapes

The rucksack is built with narrower dimensions, which according to Lowe Alpine is ideal for women or those with smaller frames