Thermal Fabric Chart

Hot Chillys rates their thermals warmth in numbers 5 for cool conditions through 10 for very cold conditions. Five is green, yellow is six, light orange is seven, dark orange is eight, nine and ten are red. Micro Elite Chamois is Warmth Level 8

Micro-Elite Chamois features:

  • Intimate blend of enhanced polyester and spandex fibers
  • Moisture Transfer Fibers to move moisture away from the skin
  • 4-way stretch for unlimited movement
  • Antimicrobial properties for odor control
  • UPF 30 protection
  • Midweight warmth, body fit
  • In Adult and Youth Sizing
Hot Chillys rates their thermals warmth in numbers 5 for cool conditions through 10 for very cold conditions. Five is green, yellow is six, light orange is seven, dark orange is eight, nine and ten are red. Micro Elite Chamois is Warmth Level 8

Velvet Fleece features:

  • Moisture Transfer Fibers for moisture management
  • Microfiber polyester is exceptionally durable
  • 95% Polyester, 5% Spandex
  • Midweight
  • In Youth Sizing
Hot Chillys rates their thermals warmth in numbers 5 for cool conditions through 10 for very cold conditions. Five is green, yellow is six, light orange is seven, dark orange is eight, nine and ten are red. Clima-Tek is Warmth Level 7

Clima-Tek Base Layer features:

  • Ultimate high-flexibility and casual comfort
  • Moisture Transfer Fibers to move moisture away from the skin
  • 4-way stretch for unlimited movement
  • Antimicrobial properties for odor control
  • UPF 30 protection
  • Midweight warmth, active fit
  • In Adult Sizing
Hot Chillys rates their thermals warmth in numbers 5 for cool conditions through 10 for very cold conditions. Five is green, yellow is six, light orange is seven, dark orange is eight, nine and ten are red. Original products are Warmth Level 7 Thermals

Originals features:

  • Moisture Transfer Fibers to keep you dry
  • Body fit design for next to skin performance fit
  • Easy, comfortable feeling
  • UPF 30+
  • Active lifestyle styling
  • In Adult and Youth Sizing
Hot Chillys rates their thermals warmth in numbers 5 for cool conditions through 10 for very cold conditions. Five is green, yellow is six, light orange is seven, dark orange is eight, nine and ten are red. Pepperskins are Warmth Level 6 Thermals

Hot Chillys Skins features:

  • MTF Moisture Transfer Fibers for moisture management
  • Spun polyester is slightly brushed for extra softness
  • Flat seam construction for seam strength and longevity
  • Versatile for sports or everyday warmth needs
  • Midweight warmth, relaxed fit
  • In Adult and Youth Sizing