Basic Info. Model NO. FD-158 Shape Round Oval Applicable Head Circumference 560~580mm Mask Color PC Transparent Brand Kax Color Customized H.S Code 6506100090 Weight 1500±50G Trademark KAX Transport Package Carton Origin China About this off road helmet Lightweight ABS shell Motorcycle Helmet: Our mountain bike helmet is lightweight  which will not increase pressure to the head and shoulder.  Prevent any discomfort in the neck from long hours of riding. Adjustable Air Vents:Our motorcycle helmet has multiple vents on the front, top and back for maximum ventilation helping to keep the rider cool and comfortable. Easy to open or close ventilation slits by One hand to reduce wind resistance and minimize road noise. Product safety certification:DOT approved. Meets the FMVSS 218 Standard. The adult ATV motorcycle helmet is made of quality durable ABS shell and high density EPS cushion layer, offering better protection for wearers when riding. Breathable, Removable & Washable Inner Liners: Ultra soft and comfortable. Better fit for your face and head. With the buckles on the liners, you can easily remove the liners for for cleaning. Quick release buckle on the chin strap helps wearers easily take off and put on helmets. HELMET SIZING MEASURING TIPS Find your helmet size by comparing your head measurement to our sizing chart. 1.For an accurate head measurement, wrap a soft (tailor) measuring tape horizontally around your head about 1" above your eyebrows. 2.Your helmet should fit snugly. Keep the measuring tape comfortably tight in order to achieve the best results. 3.For precise results, measure two or three times. If you get different measurements, take the largest one. 4.If your head measurement falls between two different sizes on the helmet sizing chart, choose the smaller helmet size. SIZE HEAD CIRCUMFERENCE XS 53-54cm 20.87“-21.26” S 55-56cm 21.65“-22.05” M 57-58cm 22.44“-22.83” L 59-60cm 23.23“-23.62” XL 61-62cm 24.02“-24.41”   CertificationFAQ： Q1. What is your terms of packing? A: Generally, we pack our goods in neutral white boxes and brown cartons. If you have legally registered patent,we can pack the goods in your branded boxes after getting your authorization letters. Q2. What is your terms of payment? A: T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you pay the balance. Q3. What is your terms of delivery? A: EXW, FOB, CFR, CIF, DDU. Q4. How about your delivery time? A: Generally, it will take 15 to 30 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order. Q5. Can you produce according to the samples? A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures. Q6. What is your sample policy? A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost. Q7. Do you test all your goods before delivery? A: Yes, we have 100% test before delivery Q8.How do you make our business long-term and good relationship? A:1. We keep good quality and competitive price to ensure our customers benefit ; 2. We respect every customer as our friend and we sincerely do business and make friends with them,no matter where they come from.