Costco has the Weatherproof Vintage Men's Expedition Pants for $19!!! I got these pack-able stretchy travel pants. There are other varieties of Weatherproof
Levi's Men's Clothing
Weatherproof Vintage Lightweight Performance Weather-Flex Tech Pant (as1, Waist_Inseam, Numeric_30, Numeric_30, Jungle Green) at Men's Clothing store
Weatherproof Vintage Men's Canvas Pant (Brown, 40 x 34) at Men's Clothing store
Spyder Men's Clothing
Weatherproof Vintage Hiking Pants for Men, Casual Stretch Pants for Men, Straight Slim Fit Chino Mens Tech Pants
Weatherproof Vintage Men's Regular Fit Excursion Pants - Ultra Stretch Casual Flat Front Chino, Size 30W x 30L, Charcoal at Men's Clothing store
Skechers Men's Clothing
REVIEW: Costco Weatherproof Vintage Weather-Flex Pants - 2 Months Later
First Look: Costco Weatherproof Vintage Outdoor Blanket
Calvin Klein Men's Clothing
Weatherproof Vintage Women's Clothing