Woot offers CROSS101 Adjustable Weighted Vest Camouflage Workout Weight Vest without Shoulder Padss (40lbs) for $27.99 (reg. $99.99) free shipping with Prime. 

Product Description:
The 20lbs-80lbs models max weight capacity is the weight purchased. The Cross101 Adjustable Camouflage Weighted Vest is a great way to add resistance to your workout. This is a great vest to start your cross training, strength training, and anything else you will need a weight vest for. The vest is one size fits most.

• Every items comes with weights included
• Weights can be removed in all models
• One size fits most