Trek Backpack Size:One Size Front pouch pocket

Front pouch pocket

XS S M L XL 2XL Body Length 25 1/8 27 1/2 28 1/2 29 1/2 30 1/2 31 1/2 Body Length Tolerance 3/4 3/4 3/4 3/4 3/4 3/4 Chest Tolerance 3/4 3/4 3/4 3/4 3/4 3/4 Chest Width (Laid Flat) 16 1/8 17 5/8 19 5/8 21 5/8 23 5/8 25 5/8 Sleeve Length 20 1/8 22 3/4 23 1/2 24 1/4 25 1/4 26 1/4

UV protection and moisture wicking

Gunmetal Heather & Grey Heather direct from the mill are 52/48 cotton/polyester (Sold in US)

55/45 ringspun cotton/polyester blend 3-end fleece

Trek Backpack Size:One Size Front pouch pocketProduct Description This iconic 29 liter backpack doesnt play around when it comes to protecting and organizing your gear. With the bungee cords crisscrossing the front of the pack, you can secure additional layers or equipment to keep things always accessible. 600D polyester, 450D x 300D heather polyester, 600D geo emboss polyester, 1200D polyester The FlexVent suspension system boasts custom injection molded shoulder straps and a padded mesh back