Biz Collection Unisex Nitro Jacket (J10110) Workwear World Australia J428U Sphere Unisex Jacket by Biz Collection. Biz Collection Shop Workwear & Uniforms in NZ BrandwearNZ Wholesale BIZ Collection Unisex Core Jacket NextSite. Biz Collection Unisex Trekka Jacket J8600 Your wait for a weatherproof jacket ends with this Unisex Trekka Jacket. Not only does this jacket provides you warmth during cooler days, but also protects you from bad weather conditions. Look your usual smart self, wearing this jacket with a seam sealed hood. The high wind collar, adjustable drawstrings around waist and bottom add comfort and gives you a customised fit. Stuff your accessories in its 2 way front pockets with a zippered top and side hand warmer pocket. Outer: 100% polyester seam sealed shell Lining: Anti pill micro fleece Zippered inside left chest pocket Elasticated snap down sleeve cuff