Ebay offers Speedo Adults' Life Vest Jacket for $20 (reg $35) with free shipping.

Product Description:
This Speedo Adult Personal Flotation Device was designed for universal adult fit and ultimate durability. In addition, this functional flotation vest features oversized armholes for increased mobility, quick release buckles with adjustable straps as well as built-in drainage holes. This PFD is classified as USCG and DOT approved Type III PFD.

• CHEST: 30-52""
• WEIGHT: >90 LBS"
• Dimensions (Overall): 20 Inches (H) x 3.5 Inches (W) x 3.5 Inches (D)
• Weight: 1 Pounds
• Used For: Swimming
• Closure Type: Buckle
• Child Weight Range: Adult (90 Pounds and Up)
• Material: Neoprene