FREE SHIPPING ON ORDERS OVER $99 (Exclusions Apply)
Troxel Sierra Helmet - Black
Engineered for riding extremes, the Sierra's rugged covering not only looks good, but it also withstands the toughest terrain on the trail. It offers excellent ventilation with mesh covered vents. The Sierra is the first all-terrain helmet designed exclusively with trail and Western riders in mind. The Sierra offers riders ASTM / SEI certification coupled with rugged all-terrain looks. The helmet is lightweight, highly ventilated, and very comfortable.
- Self-locking buckle
- Low profile
- Riveted CORDORA® and leather finish
- Visor
- Mesh-covered vents
- CinchFit Pro™
Size | Helmet Size |
Small | 6-5/8 - 7 |
Medium | 7 - 7-1/4 |
Large | 7-1/4 - 7-3/8 |
X-Large | 7-3/8 - 7-3/4 |
STEP 1: Measure
Use a measuring tape to measure around your head one inch above your eyebrows. Or use a string to measure and then lay it out and measure the length of the string.
STEP 2: Choose Size
Use the chart to convert measurement to hat size
STEP 3: Select Your Helmet
Select the helmet model you would like to purchase and review the specific size range available and order accordingly.
HEAD SIZE INCHES |
HEAD SIZE CM |
HAT SIZE |
---|---|---|
19 ⅝ |
50 |
6 ¼ |
20 |
51 |
6 ⅜ |
20 ⅜ |
52 |
6 ½ |
20 ¾ |
53 |
6 ⅝ |
21 ¼ |
54 |
6 ¾ |
21 ⅝ |
55 |
6 ⅞ |
22 |
56 |
7 |
22 ⅜ |
57 |
7 ⅛ |
22 ¾ |
58 |
7 ¼ |
23 ⅛ |
59 |
7 ⅜ |
23 ⅝ |
60 |
7 ½ |
24 |
61 |
7 ⅝ |
24 ⅜ |
62 |
7 ¾ |
Disclaimer: This conversion chart is a guide only and does not constitute a guarantee as to the fit of the helmet. Some people may have a unique head shape changing what size they need. Some helmets fit different shaped heads better than others.
Free Shipping on Orders over $99
We offer FREE standard shipping on all orders over $99.00. Orders under $99 qualify for affordable $8.00 flat rate shipping. Overweight and oversize additional shipping charges may apply. See our Shipping Page for full details.
New England Next Day Shipping (including Saturday delivery!)
Live in New England and want your order delivered tomorrow? We offer affordable next-business day service by FedEx including delivery on Saturday for a flat rate of $11.99 for orders under $99, or just $2.99 for orders over $99. Overweight and oversize additional shipping charges may apply. See our Shipping Page for full details.
Additional Shipping Charges
Some of our items are heavy or oversized and may require additional shipping charges.
Overweight Items
Additional shipping charges for overweight items are calculated based on the total shipping weight of all overweight items. The amount charged is based the weight and shipping distance. See our Shipping Page for full details.
Oversize Items
Additional shipping charges for oversize items are calculated on a per product basis based on the chart below. To determine which zone your address is in, please refer to our Shipping Page for full details.
Oversize Product Class |
Zone A |
Zone B |
Zone C |
Oversize Group 1 |
$4.50 |
$6.50 |
$9.00 |
Oversize Group 2 |
$9.00 |
$11.00 |
$13.00 |
Oversize Group 3 |
$11.00 |
$15.50 |
$18.00 |
Oversize Group 4 |
$15.50 |
$18.00 |
$20.00 |
Oversize Group 5 |
$22.00 |
$27.50 |
$33.00 |
Oversize Group 6 |
$33.00 |
$38.50 |
$44.00 |
Oversize Group 7 |
$44.00 |
$55.00 |
$66.00 |