PCM is able to absorb a significant amount of heat energy during phase transition, which is a typical cooling source of passive cooling clothing. It can form a relatively constant temperature or microclimate around the clothing according to the change of ambient temperature. The temperature is adjusted and thus achieves the cooling effect.Reduces the body temperature to prevent heat exhaustion & fatigue. HIGH-TECH COOLING Made in the USA Uses innovative material PCM (phase-change material) developed by NASA to rapidly cool the body surface. LONG LASTING Uses long lasting increased qty of cold packs to enable a long duration cold life 1 hour +. QUICK FREEZING Add to the freezer either the full vest or the ice pack sheet for a quick freeze - .5-3 hrs ONE SIZE FITS MOST Adjustable sizing and V-Neck design, is breathable & moisture-permeable composite fabric for more comfort.LIGHT WEIGHT – Suitable for a wide range of applications: outdoor, industry, sports etc. Icy Wrap Back Icy Wrap Ankle Icy Wrap Knee Icy Wrap Hand Add to Cart Add to Cart Add to Cart Add to Cart Buying Options Customer Reviews 4.3 out of 5 stars 257 4.3 out of 5 stars 257 4.3 out of 5 stars 257 4.3 out of 5 stars 257 — Price $39.99$39.99 $38.99$38.99 $38.99$38.99 $38.99$38.99 — no data