The Camp HBT Pant from Knickerbocker NYC.

Details
The Camp HBT Pant is a military-inspired silhouette, made in a sturdy herringbone cotton twill that will age well with wash and wear. Featuring two bellowed patch pockets on the front along with back welt pockets. 

• 100% cotton, 10 oz. herringbone cotton twill woven in Portugal
• Single rinse finish
• Faux horn buttons
• Made in Portugal