Physical labor is often necessary for 8 hours or more per day with breaks approximately every two hours including stooping, crouching, reaching, standing, walking, pushing, pulling, lifting, fingering, grasping, feeling, talking, hearing and engaging in repetitive motions. San Antonio Shoemakers (SAS), a San Antonio, Texas based privately held company, has been in business for over 40 years and has developed a reputation as a premier American manufacturer of high quality comfort footwear.