Hot Chillys Youth MTF Originals Crewneck Midweight Base Layer – UPF 30 Thermal Long Sleeve Top (Black, XL)

Meet the Hot Chillys Youth MTF Originals Crewneck Midweight Base Layer, a versatile long sleeve top designed for active youngsters who value warmth, mobility, and everyday comfort. The black XL fits snugly as a next-to-skin layer, making it a reliable companion under jackets, hoodies, or ski outfits.

Smart warmth that adapts to your day

With a midweight profile and a warmth factor around 7/10, this top offers steady heat without heaviness. The body-hugging fit and four-way stretch help you move freely, whether you’re running, climbing, or navigating a chilly morning commute.

Key performance features

• 4-way stretch fabric moves with you for full range of motion and reduced bulk
• Moisture transfer fibers wick sweat away to keep you dry during activity
• Activated carbon fibers aid in thermal regulation and odor control
• UPF 30+ protection helps shield skin from sun exposure when outdoors
• Youth-focused, close-to-skin design that remains comfortable through wear

Versatile for real-life moments

Ideal for morning workouts, weekend hikes, chilly commutes, or layered under a jacket on cold days, this base layer serves as a reliable foundation for a variety of activities. It can function as a standalone top in milder conditions or as a dependable inner layer when temperatures drop.

• Outdoor adventures: hiking, snow activities, and cautious exploration in cool weather
• Everyday wear: school, commutes, and after-school activities in brisk temps
• Active indoor sessions: gym workouts or practice days when the room feels cool

Care and fit

Designed to sit close to the body, the garment aims to hold its shape after washing. Following care instructions helps preserve the fabric’s performance features and long-lasting comfort.

Note: This base layer is part of a layered system for cold-weather wear and is intended to provide warmth and moisture management in real-world use.