Built For
Sub-Freezing Hiking
Below 20°F
The thermal 250g/m² weight class handles the deep-winter trailhead and the sub-zero ridge. The Intraknit™ ventilation zones dump heat on the climbs before the base layer soaks through — the warmth comes back when you stop moving and the air gaps close.
Skiing & Snowboarding
5° – 25°F
Lift-served and backcountry days in real cold. The 3D-knit Intraknit™ construction stretches with the skin-track stride and the mogul run without bunching at the elbows; the mapped ventilation keeps the boot-pack from becoming a sweat lodge.
Ice Climbing & Mountaineering
Below 10°F
Static belay stints in bitter cold and high-output pitches that swing from one to the other. The Intraknit™ mesh ventilation dumps the heat of an ice-axe swing; the mapped insulation zones hold warmth during the long hanging belay. Merino against the skin manages the moisture shift between output states.
Sleep & Camp
Sub-Freezing
Sub-freezing nights in a tent or snow shelter where the base layer needs to wear through dinner, the evening, and the morning without a wash. The Intraknit™ mapped zones keep the body warm during static camp hours; Merino’s odor resistance means the base layer stays comfortable across multi-day cold-weather trips.
Complete The System
Pair It With The Bottom
The Men’s Intraknit™ Thermal Merino Base Layer Bottom matches weight, fabric, and the 3D-knit construction so your upper and lower layers regulate as one system. Mapped ventilation on the legs + mapped ventilation on the chest = the body’s heat-dump zones working together instead of in isolation.
- Same 53/44/3 fabric matched weight + feel
- Intraknit™ 3D-knit identical construction
- Gender-specific ventilation men’s mapped zones
- Slim base-layer fit layers cleanly under bibs
Add A Shell
Top It With A Windshell
For real weather on top of the thermal weight, layer a windshell, insulated jacket, or hardshell over the Intraknit™ Thermal Crew. The Intraknit™ ventilation handles moisture from the inside; the shell handles wind and precip from the outside. The 3D-knit fit keeps the layering flat under a pack’s hip-belt and a harness’ leg-loop straps.
- Windshell cuts chill on exposed ridges
- Insulated jacket deep-cold static days
- Hardshell jacket full weather protection
- Smartloft vest core warmth, free arms
Prepared with intention.
Every product is carefully inspected and handled by our team before it ships. From fit and function to final details, we make sure each piece is ready for the outdoors ahead—so you can focus on the experience, not the gear.
Passion drives us
At SpokeX Bike Co., bikes aren't just our business — they’re our way of life. As a rider-owned and operated shop, every decision we make comes from firsthand experience on the trail, at the race, and on the open road. We know what it’s like to chase a new line, push through the pain cave, and celebrate the ride — because we live it every day.
