Woot offers Amazon Essentials Men's Athletic Soft Performance Lightweight Zip Up Gym Workout Jacket for $9.99 (orig. $54.90). Free shipping for Prime Members. 

Product Description:
We listen to customer feedback and fine-tune every detail to ensure our clothes are more comfortable, higher quality, and longer lasting—at affordable prices for the whole family.

• REGULAR FIT: Comfortable, easy fit through the shoulders, chest, and waist
• GARMENT LENGTH: 26 1/2" from side neck on US size Medium
• MIDWEIGHT SUPER SOFT PERFORMANCE STRETCH: 4-way stretch knit with moisture wicking technology to keep you dry
• PERFORMANCE JACKET: Everyday soft. Made to move. Versatile for low impact activities, warmup and recovery, and an everyday active lifestyle
• DETAILS: Mock turtle neck jacket with semi-auto lock front zipper, zipped pockets, and a banded sleeve cuffs and body hem