Yeah, she might try to wear the Burton Girls' Long-Sleeve Tech Top eight days a week, but it's warm, stretchy, and antimicrobial, so you probably won't mind too much.
DryRide Ultrawick Tech Jersey
Quick drying, moisture wicking, and antimicrobial
Stretchy
Item #BUR00HH
Material: DryRide Ultrawick Tech Jersey
Insulation Weight: midweight
Fit: regular
Style: crew
Antimicrobial: yes
Recommended Use: snowboarding, skiing
Manufacturer Warranty: 1 year