Men's Alpha Thermal

Brown 7.0MM

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Men's Alpha Thermal

Brown 7.0MM

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Built to show cold who's the boss.

Whether they’re for work or play, one thing is for certain: the Alpha Thermal keeps feet warm with 7mm of insulating neoprene and fleece lining. Built for comfort and durability, these boots plow through snow, sleet, slush, ice and whatever else is in your wintery path. So when the mercury drops and the snow piles up, Jack Frost can nip all he wants at your nose, but he won't be touching your toes.

Make winter seem less endless.

Alpha Thermal boots are built with 7mm of insulating neoprene and full fleece lining for added warmth and comfort. On a sled, ATV or just walking the dog, these boots will help you handle the worst winter throws at you.

Waterproof, warm, comfortable. The trifecta of winter boots.

LaCrosse Alpha Construction combines our premium, natural rubber with insulating neoprene. Each piece of rubber is hand-laid over the neoprene sock to create a waterproof, durable and comfortable boot. Alpha Thermal boots also feature Active Fit, providing a more athletic and glove-like feel. Thanks to its neoprene core, you get foot-hugging cushion all around and added flexibility to slide the boot on and off.

They keep you on your feet where others fear to tread.

What will help you trudge through all that snow and ice? The outsole. The Alpha Thermal has a rugged, multidimensional lug pattern which is ideal for cold weather traction, keeping your feet where they should be: under you.

Easy on. Easy off. It’s that simple.

Winter boots can sometimes be difficult to pull on. Alpha Thermal boots have textured finger grips and an angled top band so you can easily grab hold and pull them on, even when wearing gloves or mittens. And when it’s time to come in from the cold, a molded kick-off heel plate makes for easy hand-free removal.

More room if you need it, or less room if you don’t.

Our signature gusset is added to each pair, by hand, for best-in-class versatility. This makes the boot easy to roll down to dry it out, and also provides extra room to get in and out of the boot. Opening the gusset makes it easy to tuck in pants, and it accommodates various leg sizes, expanding for larger calves and cinching down for smaller ones.
Alpha Construction
Built with hand-laid premium, natural rubber over insulating neoprene for durability, flexibility and complete waterproof protection.
Fleece Lining
Lined with fleece for added warmth.
Active Fit
With a comfortable, secure fit to keep your foot in place while on the move, boots with Active Fit also go on and come off with ease.
Neoprene Gusset
Durable, neoprene gusset accommodates different calf sizes and makes it easy to slide the boot on and off.
Antarctic Outsole
With its rugged, multi-dimensional lug pattern, this premium rubber outsole is designed to keep you on your feet in slippery winter conditions.


5.4 lbs per pair
7mm Neoprene
Best for Snow
Removable Polyurethane Footbed
Nylon Shank
EH Rated
ASTM F2892-11 EH

Comfort Zone

  • Arctic
    -40 to 30°F
  • Cold
    -40 to 30°F
  • Mild
    -40 to 30°F

Meet the Family

The Men's Alpha Thermal family offers a range of options to meet your specific needs.

Alpha Thermal 16" Black 7.0MM NMT
Alpha Thermal 16" Black 7.0MM
Alpha Thermal 16" Brown 7.0MM
This product
7mm Neoprene 7mm Neoprene 7mm Neoprene
Cold Cold Cold
Best for Snow Best for Snow Best for Snow
EH Rated EH Rated EH Rated


Our accessories are designed to work perfectly with Men's Alpha Thermal.

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