The 32-litre Fieldsmith Roll-Top Pack adjusts to accommodate the day's load and can be rolled tightly for additional water protection, with just enough exterior storage and an internal 15" laptop sleeve. Organic Cotton Canvas Water-resistant, durable 100% organic cotton canvas with a lightweight lining Roll-Top Closure Roll-top closure keeps the elements out and allows for variable loads: Overstuff it when you need more gear or roll down the extra fabric for lighter days Holds 15-Inch Laptop Padded laptop sleeve has easy access through a dedicated side zipper, and it can double as a hydration sleeve Intuitive Organization Top pocket keeps small items close, and a pocket on the front of the pack provides additional storage Side Pockets Two stretch side pockets Ski Pack-Inspired Design Ski pack-inspired design has lash points for clipping on extra gear, and a breathable mesh back panel keeps you comfortable during all-day wear Materials & Care Instructions Body 11-oz 100% organic cotton canvas with a PU coating Lining A 2.4-oz 70-denier 100% ECONYL® recycled nylon ripstop with a silicone face coating and a PU back coating Lining B 3-oz 200-denier 100% recycled polyester plain weave with a PU coating Back panel and shoulder straps 8.3-oz 100% polyester airmesh Body, lining A and back panel/shoulder strap fabrics are certified as bluesign® approved Made in a Fair Trade Certified™ factory Care Instructions Hand Wash, Do Not Bleach, Drip Dry, Do Not Iron, Do Not Dry Clean