Orvis PRO Waterproof Backpack 30L Sweatshirt it adds an additional barrier

it adds an additional barrier of protection to prevent heat or cold from escaping

Michelin® rubber outsoles are stud-compatible for more traction options on slick cobbles or snotty streambeds

Extremely durable proprietary 4-layer Cordura® fabric shell in the upper and 5-layer Cordura fabric shell in the lower legs

Patented polyester/cotton blend dries four times faster than cotton

Orvis PRO Waterproof Backpack 30L Sweatshirt it adds an additional barrierOur durable PRO Waterproof Backpack 30L, is constructed from 840 denier, abrasion and puncture resistant ballistic nylon, and then coated with . 1mm TPU on both sides of the fabric. Weve yet to see a more waterproof and thoroughly seam sealed pack collection on the planet. Thirty waterproof liters of storage give you ample day pack capability and then some. With a slightly longer back panel, weve even rethought the way a pack capable of holding so