400W6490 Women's Long Sleeve Ripstop Work Shirt with X Airflow™ Ventilation Color:Navy the J100SP 4CM jacket delivers significant Size:32W x 30L the J100SP 4CM jacket delivers significant cut and abrasion resistance in high risk zones Ideal size for our headwear and gloves Air activated and reach full temperature in 2 5 minutes Generates over 12 hours of warmth Heating can be suspended at any time by resealing the inserts in an airtight container Non toxic Insert size: 2" x 3 Featuring unique laser perforated panels in high heat stress areas Bisley® X Airflow™ workwear is the most advanced apparel for keeping the heat out compared to any other workwear on the market