Newton Running Shoes - $75.00 shipped size 13 perfect

I tried these Newton running shoes recently and have run about 25 miles in them. They look virtually brand new. For some reason, they aren't working with my running style and I have had need problems. Anyone looking for a good deal on some size 13 Newtons?
I will take $75.00 that includes shipping. These sell for $175 new. Check website here.
http://www.newtonrunning.com/newton-products/the-shoes/mens-shoes/men-trainers/men-neutral-trainer-09

Designed for the biomechanically efficient runner, the Gravity lightweight performance trainer offers a fast, flexible ride with incredible energy return and shock absorption. It features Newton's Action/Reaction Technology™ in the forefoot and an advanced rearfoot design aimed at maximizing forward propulsion and optimal running form. Independent studies prove this technology, in conjunction with the LAND-LEVER-LIFT running technique, provides less stress on a runner's joints, muscles and tendons. With improved durability in the heel, a new high-rebound midsole material and improved upperfit, this shoe will keep you running faster and farther with less injury and quicker recovery.

UPPER

• Highly breathable, fast-drying,open air mesh
• Minimal anatomical forefoot support strapping
• Biolateral stretch panels for comfort and fit

MIDSOLE

• High-rebound light-weight midsole offers firm cushioning
• Biomechanical forefoot plate and flex grooves to increase communication (proprioception) between foot and the ground

OUTERSOLE

• Carbon rubber heel for increase durabililty
• Rearfoot technology cradles the heel as the foot settles for protection and cushion
• Forefoot Action/Reaction Technology

GREEN FEATURES

• 100% recycled laces, webbing, insole top cover
• 100% recycled box, packaging
• 10% recycled outersole rubber

• Protective enough to run fast paced long training runs and reliable enough to run 5K to marathon races
• Superior forefoot cushioning and propulsion
• Less impact = less fatigue and less muscle damage to go farther and faster
• Shoes fit true to your current running shoe size
• Wear over time will occur with Newton Running shoes
• With every shoe there is an adjustment period; learn more about adjusting to the shoe