Smartwool
100% Merino Reversible Thermal Neck Warmer
The 100% Merino Reversible Thermal Neck Warmer is a tubular double-layer neck warmer made from 100% merino wool interlock knit, designed for cold-weather insulation and neck or lower-face coverage during outdoor activities. The fabric is moisture-wicking, temperature-regulating and odour-resistant, and the reversible design allows either side to be worn outward. It features flat seams for reduced friction and a reflective logo for visibility in low-light conditions.
- Material
- 100% merino wool interlock knit
- Gender
- unisex
- Style
- athleisure, activewear, performance, technical, sporty, travel-friendly
- Category
- Apparel & Accessories > Clothing Accessories > Neck Gaiters
Specifications
Reversible thermal neck warmer made from 100% merino wool interlock knit.
Moisture-wicking, temperature-regulating, odour-resistant merino wool; reversible double-layer design; flat seams; reflective logo for safety and visibility.
- Material
- 100% merino wool interlock knit
- Style
- athleisure, activewear, performance, technical, sporty, travel-friendly
- Occasion
- everyday, casual, workout, hiking, travel, weekend, running-errands, sports-event
- Gender
- unisex
- Age Group
- adult
- Condition
- new
- Category
- Apparel & Accessories > Clothing Accessories > Neck Gaiters
Additional Attributes
- 100% merino wool interlock knit
- reversible two-sided design
- double-layer thermal construction
- moisture-wicking fabric
- temperature-regulating merino wool
- odour-resistant material
- flat seams for chafe-free comfort
- reflective logo for low-light visibility
- interlock knit construction
- Smartwool branded
Product Insights
100% Merino Reversible Thermal Neck Warmer 100% merino wool in a double-layer interlock knit, roughly 250gsm total (125gsm per side) Hygroscopic merino buffers moisture vapor and releases heat, supporting temperature regulation Natural odor resistance from the merino fiber, not a chemical finish, allowing multiple wears between washes Thermal weight for sub-freezing to cold conditions; likely too warm for mild, high-output use Slow to dry once soaked; best kept under a waterproof shell in wet weather
Verified claims
- fit
- One-size fit for 21.5–23.5 in (55–60 cm) head/neck circumference, 10.25 in (26.5 cm) long
- comfort
- Thin enough to breathe through when worn over the chin and mouth
- material
- 100% merino wool in a double-layer interlock knit, roughly 250gsm total (125gsm per side)
- reversible
- Reversible design gives two looks and relies on the double layer for warmth
- helmet compatibility
- Flat seams and low-profile tube layer under helmets without bunching
- moisture management
- Hygroscopic merino buffers moisture vapor and releases heat, supporting temperature regulation
- odor resistance
- Natural odor resistance from the merino fiber, not a chemical finish, allowing multiple wears between washes
- thermal range
- Thermal weight for sub-freezing to cold conditions; likely too warm for mild, high-output use
- damp insulation
- Continues to insulate when damp from breath or sweat
- drying time
- Slow to dry once soaked; best kept under a waterproof shell in wet weather
- care
- Machine wash warm gentle with like colors; air-dry flat, no bleach, softener, or dry cleaning
- durability
- Knit holds shape with minimal stretch; light pilling possible in high-friction areas
- styling
- Reversible black colorway with reflective logo and embroidered color bar for visibility
- use cases
- Best for cold-weather skiing, snowboarding, commuting, hiking, and multi-day trips
- value
- Premium price over synthetic gaiters, justified for cold-weather and multi-day use
- comparison
- Easier to vent than a balaclava because it can be pulled down in one motion
- skin comfort
- Generally soft and itch-free, but sensitive skin may still react
- construction
- Interlock knit edges lie flat, supporting clean hems and flat seams
- gender and fit
- Listed as male in the feed but described as unisex in source material; one size fits a 21.5–23.5 in range
- stain resistance
- Naturally hydrophobic surface resists staining and can reduce washing frequency
- wind performance
- Knit insulation is less effective in wind; pair with a shell for windy conditions
Product record
- Title
- 100% Merino Reversible Thermal Neck Warmer
- Brand
- Smartwool
- Price
- 39 CAD
- Availability
- In stock
Buying Guide
0 comparisons · 1 sourceUses
Multi-day cold-weather hiking
A merino neck warmer for hikers heading out in cold conditions, with a double-layer construction reported by owners to insulate in sub-freezing, single-digit temperatures. Merino's odor resistance lets it be reworn across multiple trail days without washing, which reviewers found handy on three-to-five-day backpacking trips. The reversible design gives two color or pattern options in one piece.[1]
Rewearing between washes on multi-day cold-weather trips
For multi-day backpacking trips in cold conditions, merino's odor resistance lets this neck warmer be reworn across several trail days without washing. Verified owners on three-to-five-day trips report rewearing it on days when a synthetic equivalent would need to be aired out overnight. The double-layer merino construction is also described as providing real warmth in sub-freezing conditions, which cold-weather hikers say makes it worth the premium over synthetics.[1]
One neck warmer for cold mornings and warm afternoons on the trail
On hikes where temperatures shift through the day, a 100% merino neck warmer like this one is meant to keep up without swapping layers. Natural merino thermoregulation handles cold morning starts and warmer afternoon miles, according to outdoor gear reviewers. It's a simple option for hikers who want neck coverage that adapts as conditions change.[1]
Two looks in one neck warmer
Wear it with either side facing out for a different color or pattern. The reversible design means one neck warmer gives you two looks, and the double layer of merino is made to keep you warm on cold outings like summit pushes.[1]
Image Analysis
1 images- 01
Product
A flat-laid black tubular knit neck warmer with visible fine knit texture and two small embroidered details near the lower left edge: a small light-gray stylized figure and a vertical multicolor bar.
- Overall shapeFlat rectangular tube of fabric shown laid flat with straight folded top and bottom edges and slightly rounded corners.
1 region
x 0.06 · y 0.06 · w 0.88 · h 0.88 (high) - Material and surfaceFine, tightly knit fabric texture visible across the surface, matte finish with no visible pile or sheen.
1 region
x 0.08 · y 0.12 · w 0.84 · h 0.76 (high) - Hem detailSingle folded hem visible along the bottom edge with a stitch line creating a slightly thicker band.
1 region
x 0.06 · y 0.88 · w 0.88 · h 0.08 (high) - Embroidered figure logoSmall light-gray stylized humanoid or robot figure embroidered near the lower left corner, composed of simple geometric shapes.
1 region
x 0.07 · y 0.86 · w 0.06 · h 0.07 (high) - Vertical color barNarrow vertical embroidered bar of stacked color blocks located immediately to the right of the figure, containing multiple distinct colored rectangles.
1 region
x 0.14 · y 0.84 · w 0.02 · h 0.08 (high)
Other
Product photographed centered on a flat light-gray background with soft shadow at the bottom; even frontal lighting highlights texture; image is tightly cropped around the product.
- Background and stagingNeutral light-gray background with a subtle drop shadow beneath the product toward the bottom edge.
- Shot compositionTop-down view of the flat-laid product, centered in the frame with consistent margin on all sides.
- LightingSoft, even frontal lighting with minimal specular highlights and gentle shadowing along the bottom edge.
Colors
deep black· main fabric#0E0E0Blight gray· embroidered figurevivid orange· vertical color bar - orange blockmedium blue· vertical color bar - blue blockwhite· vertical color bar - white block#EAEAEAlime green· vertical color bar - lime green block- Overall shapeFlat rectangular tube of fabric shown laid flat with straight folded top and bottom edges and slightly rounded corners.
Brand PDP Lookup
- Brand
- Smartwool
Thermal Merino Reversible Neck Gaiter - Black