Puma Safety Shoes Blaze Knit Metal Free Light Weight Safety Shoe That Looks Like a Normal Runner. The Puma Blaze is a metal free, low-cut shoe featuring a composite toe cap with 200 joule impact rating. The knitted upper is made of high quality breathable material with scuff cap toe protection to reduce abrasion. The durable rubber outsole is 300°c heat resistant and SRC anti-slip rated which meets the highest standard for slip resistace in safety shoes. A shock absorbing idCell is embedded in the heel further enhancing the wearer's comfort. The 643067 Blaze Knit is the ideal choice for workers on the move, such as the transport or warehousing indurstries where lightweight footwear is preferred. Size Range 39-47 (6-12) Upper Knitted upper with TPU inserts Protection Injected toe protection, anti-static and anti-slip Toe-Cap Composite toe cap which is lighter than a common steel toe cap yet still provides 200 joules impact protection. Lining BreatheActive for maximum moisture control and comfort. Insole Evercushion BA insole provides a high level of comfort and moisture control, giving a pleasant foot climate. This footbed, as used in high performance sports shoes, is made from a soft, opencell, resilient foam that will not compress in wear, which assures a high level of cushioning, breathability and moisture regulation. Sole 300°c heat resistant rubber outsole with EVA midsole. IDCell shock absorber embedded in the heel.