The sporty Inuteq-H2O Bodycool Speed CoolOver evaporative cooling vest can be worn on multiple occasions, from work to sport activities and leisure. The cooling effect will last from 2 up to 8 hours depending on ambient temperature, airflow and humidity. This product performs best in low to medium-humidity environments. The level of airflow determines the cooling effect. Wearing this vest allows you to avoid heat stress and remain comfortably cool, thus enhancing your performance. Activation is easy: just soak in water for max. 2 minutes and gently squeeze out excess water. Your vest is now ready to wear, instantly creating evaporative cooling for up to 8 hours, depending on the ambient temperature, humidity and airflow. Soak In Water Squeeze Out Excess Water Immediate Cooling Features: Incorporates a unique cooling technology Machine washable and has antibacterial properties Easy to use and re-use Lightweight, non-toxic and durable Provides up to 15ºC cooling relief below ambient temperature Offers up to 8 hours of cooling comfort CE-marked Exterior: 100% Polyester fabric. Core: Inuteq-H2O superabsorbent cooling fabric with antibacterial treatment. Interior: 100% Polyester with PU coating. Markets: Sport, Work, Leisure, Motorcycling, Military, Healthcare Technology: H2O Sizing T-shirt size = cooling vest size. Just take your T-shirt size as a reference to determine your cooling vest size. Inuteq Bodycool Speed CoolOver Evaporative Cooling Vest