Dexter — INUTEQ PAC PCM Cooling Vest — 24 Celsius Constant Temperature Cooling at 24 Celsius. The gentlest temperature in the Dexter range — ideal for longer cooling duration and mild heat sensitivity. The INUTEQ PAC Dexter is the go-to phase change vest for industry applications. Inside the vest there are 4 pockets for bio-based PCM cooling packs. Side buckles allow a tight fit. Reactivation is easy. Switch to a new pack and reactivate the other by placing in a refrigerator, a freezer or ice water. These 24 Celsius packs require a temperature of less than 24 Celsius to recharge. Weight: Just under 2kg. Sizing — Chest Small — 76-85cm | Medium — 86-95cm | Large — 96-105cm | XL — 106-115cm | XXL — 116-125cm | 3XL — 126-135cm | 4XL — 136-145cm Watch how to use video