Our 15 Recommendations:
The 15 Top Trail Helmet Reviews:
Bestseller No. 1 
Giro Source MIPS Men's Dirt Cycling Helmet - Matte Trail Green (2022), Large (59-63 cm)
- MARKET-LEADING PERFORMANCE AND PROTECTION: Engineered in Giro’s helmet test lab.
- INTEGRATED MIPS: MIPS Brain System is integrated with the Roc Loc 5 Air Fit System for an added measure of protection in certain impacts plus market-leading fit and comfort.
- LIGHTWEIGHT AND DURABLE: In-molding construction eliminates excess weight and permanently fuses tough polycarbonate outer shell to the interior liner.
- VENTILATION AND COMFORT: 17 vents coupled with internal channeling allow air to flow through the helmet to enhance cooling power. Easily adjust vertical position and fit tension with the Roc Loc 5 MIPS fit system.
- GOGGLE COMPATIBILITY: Designed for seamless integration with Giro Goggles.
SaleBestseller No. 2 
POC, Axion Spin Mountain Bike Helmet for Trail and Enduro, Matt White, Medium/Large
- MADE FOR TRAIL & ENDURO: A lightweight helmet with the durability and protection needed for trail and enduro riding; Features unique airflow channels to keep you cool, even on hot summer days
- SPIN PROTECTION: Features POC’s patent-pending silicone pad technology system, SPIN (Shearing Pad Inside), that uses innovative materials and design to complement POC's whole-helmet approach
- EXTRA SAFETY: Built-in peace of mind; Features an adjustable visor that will break away in a crash to help minimize forces transferred to the head and reduce neck injury
- ADJUSTABLE FIT: Integrated 360° adjustment system spans the circumference of the head, making it easy to get a secure, comfortable fit
- DURABLE & COMFORTABLE: Made with a durable unibody shell that extends around the temples and back of the head for more coverage; Features an EPS liner optimized for comfort
Bestseller No. 3 
Troy Lee Designs Adult | Trail | All Mountain | Mountain Bike A1 Drone Helmet (MD/LG, Black/Silver)
- SAFETY: reinforced polycarbonate shell in-molded, EPS liner on sides and back
- MAXIMUM COOL: 16 total vented ports for cool air in and drawing heat out (8 front and 8 in the back)
- HIGHLY ADJUSTABLE: triple position adjustable retention system, customized head shape & eyewear fit
- COMFORT: Single piece, ultra plush, removable and washable comfort liner. Adjustable visor
- Troy Lee Designs: 40 years of racing for the World's Fastest Racers. Corona, California
SaleBestseller No. 4 
O'Neal Trail Finder Bike Helmet, Black, LG/XL
- Size adjustment with new micro-adjust 1 Hand Retention System including reflective sticker
- Easy strap adjustment for perfect individual fit
- Oversized vents for maximum airflow and cooling
- Fidlock magnetic closure for easy, one-handed opening and closing
- Complies with U.S CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and older
Bestseller No. 5 
Giro Fixture MIPS Bike Helmet - Matte Black,One Size
- MARKET-LEADING PROTECTION: Engineered in Giro’s category-leading helmet test lab.
- INTEGRATED MIPS: Utilizes the Multi-Directional Impact Protection System to redirect energy in a crash.
- VENTILATION: 18 Wind Tunnel vents with internal channeling.
- RUGGED: In-molding construction.
- UNIVERSAL FIT SIZING: Get the right fit, straight out of the box.
Bestseller No. 6 
BELL Spark MIPS Adult Mountain Bike Helmet - Matte/Gloss Grays (Discontinued), Universal Adult (53-60 cm)
- FUSION IN-MOLDING POLYCARBONATE SHELL - A process pioneered by Bell bonds the helmet's outer shell to the EPS foam liner to create a sturdier helmet.
- MIPS-EQUIPPED AND ERGO FIT (INTEGRATED WITH MIPS) - MIPS stands for Multi-directional Impact Protection System, which is a leading slip-plane technology inside the helmet designed to reduce rotational forces that can result from certain impacts. What was once ErgoDial now has an improved dial feel and function (no longer requires a push to turn) and is more sleek and less bulky.
- NO-TWIST TRI-GLIDES - Quick-adjust fasteners that help keep straps flat and properly positioned.
- SWEAT GUIDE - Sweat Guide pad design pulls moisture away from the brow pad and away from eyewear.
- SPECIFICATIONS - Universal Adult (54-61 cm) and Universal XL (58-63 cm) Sizes. Important: always take a head measurement. Head sizes and shapes can vary, even within an age range. Using a helmet that does not fit can be dangerous; 13 Vents.
Bestseller No. 7 
Bosoar Mountain Bike MTB Helmet,Road Bicycle Helmet with Camera Mount and Detachable Visor for Adult Men Women Youth
- Comprises a premium quality PC shell with an advanced EPS foam interior ,extended rear coverage design for maximum comfort and protection on the trail.Complies with the U.S. CPSC Safety Standard for Bicycle Helmets.
- Features a removable visor which can be detached and reattached in seconds – ideal for both mountain biking and road biking.
- Built-in action camera mount,allows you record your entire ride while you focus on the joys of riding.
- 15 large vents for cool on challenging and prolonged rides, along with a comfortable chin pad to prevent chafing.Only weight 310g ,won't weigh you down while you cycling.
- Adjustable in sizes from 55-61 cm (21.6-24 inch) and therefore suitable for the vast majority of youths and adults alike, with quick and easy adjustments.
SaleBestseller No. 8 
Road & Mountain Bike MTB Helmet for Adult Men Women Youth, with Removable Visor and Adjustable Dial (Blackish Green)
- The bicycle helmet is made of strong PC shell and high quality EPS foam, providing more safety with the integrated-moulding technology. Complies with the U.S. CPSC Safety Standard for Bicycle Helmets.
- Size L is 56-61 cm (22-24 inch), suitable for adult, men, women. Size M is 54-58 cm (21.2-22.8 inch), suitable for youth, teen, kids. Chin straps and rear dial adjustment are easy to adjust for custom fit.
- The bicycle helmet is designed for various road & mountain bicycle activities, especially for enduro and trail. By detaching the visor, it is suitable for commuter bike in city and urban.
- Lightweight material and 16 vents keep user cool during long-distance cycling. Soft inner sponge pads inside the helmet, chin straps and chin pad provide more comfortable user experience.
- Detachable visor is easy to remove or install. Package includes 1 helmet & 1 carrying bag.
Bestseller No. 9 
OutdoorMaster Skateboard Cycling Helmet - Two Removable Liners Ventilation Multi-Sport Scooter Roller Skate Inline Skating Rollerblading for Kids, Youth & Adults - M - Grey
- DURABLE - Built for both comfort and impact resistance with REINFORCED ABS SHELL & THICKENED SHOCK-ABSORBING EPS CORE.
- EXTRA REMOVABLE LINING - Skateboard helmet with two removable liner for different head sizes and easy to wash the sweat away.
- A HELMET for MULTI-SPORT - Smooth Ventilation System helps to protect and enjoy SKATING, CYCLING, BMX, MTB and etc.
- DOUBLE ADJUSTMENT - Well-attached & long-lasting adjustment dial and skin-friendly adjustable chin strap maxmize the best fit and comfortable wearing.
- HOW TO MEASURE A PROPER HELMET? - To find the right size bike helmet, start by measuring your head circumference, wrap a flexible tape measure around the largest portion of your head—about one inch above your eyebrows. Or, wrap a string around your head, then measure the length of string with a yardstick. Size Large is recommended if your size is between 21.3-22.8inch (54cm-58cm).
Bestseller No. 10 
BASE CAMP Mountain Bike Helmet, Bike Helmet with Visor for Adult Men Women, Lightweight Adjustable Cycling MTB Helmet (Grey)
- LIGHTWEIGHT & IMPACT RESISTANCE- Lightweight performance polycarbonate shell covers the EPS liner, allowing the mountain bike helmet to absorb impacts and provide protection from sharp objects, providing greater protection towards the base of the skull and top of the neck area. BASE CAMP bike helmet meets US cycling standards.
- 18 OPTIMIZED VENTS: The MTB helmet combines active vents in the shell with internal exhaust channels that thrust fresh, cool air over and around your head and forcing hot air out,which help increase the speed and keep stay cool.
- LARGE VISOR - The mountain bike helmet men has a large visor at the front of the mtb helmets which helps to keep both dirt and the sun out of your eyes.Visor is easy to move upward to offer you broad sights. Ideal for when you're about to tear up the trails.
- EASY ADJUSTMENT SYSTEM - The rear adjustable fit system of the mens mountain bike helmet allows you to quickly and easily dial in your fit from 20.4-23.2 inches. Note: please take measurements before purchase.
- FAST-WICHING PADDING - The mtb helmet men's removable padding has great wicking properties, can retain moisture to prevent sweat from dripping into your eyes and provide all-day comfort on the trail,suitable for bike commuting, recreational cycling, and skateboarding.
SaleBestseller No. 11 
Fox Racing Flight Sport Bicycle Helmet, Black, Medium
- The Flight Sport Helmet is the entry-level version of our BMX/dirt jump helmet.;
- Dirt jump and trail specific functionality
- Single density EPS liner
- Thin ABS shell for reduced weight
- 14 large Big Bore vents for increased airflow
SaleBestseller No. 12 
Bell Mips Soquel Bike Helmet, Matte black Ti
- MIPS EQUIPPED – MIPS stands for multi-directional impact protection system, which is a leading slip-plane technology inside the helmet designed to reduce rotational forces that can result from certain impacts.
- FUSION IN-MOLD CONSTRUCTION – A process pioneered by Bell that bonds the Helmet’s outer shell to the EPS foam liner to create a sturdier helmet.
- COVERAGE – Extended rear coverage for additional protection while you ride.
- FIT SYSTEM – Lightweight fit system with an easy turn dial allows for a comfortable fit.
- COMPLIANCE – Complies with the U. S. CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older.
SaleBestseller No. 13 
Giro Fixture Adult Recreational Cycling Helmet - Universal Adult (54-61 cm), Matte Black
- MARKET-LEADING PROTECTION: Engineered in Giro’s category-leading helmet test lab
- UNIVERSAL FIT SIZING: Get the right fit, straight out of the box
- VENTILATION: 18 vents
- RUGGED: In-mold construction
Bestseller No. 14 
BATFOX Bike Helmet Mountain Bike Helmets for Men Women Adults MTB Specialized Bicycle Cycling BMX Bike Helmet(Black,L(56-61CM))
- SAFETY FIRST: Our best performance mountain bike helmet complies with U.S. CPSC and E.U.CE Safety Standard for Bicycle Helmets, offer the versatility you need to ride everything from fire-road adventures to swooping single track trails, Maximum protection for your safety
- IN-MOLD CONSTRUCTION: Full Coverage Tough polycarbonate outer shell fused helmet’s impact-absorbing EPS foam liner for durability without excess weight, Riding with ultimate free and comfortable
- READ TO GO: sleek design and classical color, styling with 18 wind tunnel vents with internal channeling keep you feeling good mile after mile
- Accessories : With washable and removable padding and chin pad, Big Visor for UV and other elements protection
- TWO SIZE AVAILABLE: Adjustable dial to customize fit; with an easily-adjustable fit system you can easy to get the right fit, with two size available S for 50-55cm(19-21inch),L for 56-61cm(22-24inch) it fits most Children,Youth,adults men and women's head sizes
Bestseller No. 15 
Giro Isode MIPS Adult Recreational Cycling Helmet - Matte Portaro Grey/White/Red (2022), Universal Adult (54-61 cm)
- MARKET-LEADING PROTECTION: Engineered in Giro’s category-leading helmet test lab.
- MIPS: Utilizes the Multi-Directional Impact Protection System to redirect energy in a crash.
- UNIVERSAL FIT SIZING: Get the right fit, straight out of the box.
- VENTILATION: 24 vents.
Last update on 2023-01-12 / Affiliate links / Images from Amazon Product Advertising API