CheckoutBased in Sun Valley, Idaho, Smith Optics, Inc. was founded in 1965 with the creation of the first goggle featuring a sealed thermal lens and breathable vent foam. Today, Smith is known for its diverse line of sunglasses, snow and motorsports goggles, snow helmets, and ophthalmic eyewear. Smith’s devotion to excellence, innovation, performance, and style has made Smith the choice of action-sport athletes worldwide. Find your fit by using the size guide below.
ADULT HELMETS
| Product Size | S | M | L |
|---|---|---|---|
| Centimetres | 52 - 54 | 55 - 58 | 59 - 61 |
| Inches | 20.5 - 21.3 | 21.7 - 22.8 | 23.2 - 24 |
| Hat | 6 1/2 - 6 3/4 | 6 7/8 - 7 1/4 | 7 3/8 - 7 5/8 |