they're made of stretchy woven fabric for flexibility and movement on every part of your swing

This keeps your feet comfortable for hours and allows you to move freely around the course without the bulk

UA Branding on The Left Chest

Chill-Force 2 protection from the elements with fleece performance insulation

Callaway Heather Eco Stripe Fleece - Black Heather Size:S they're made of stretchy wovenDesigned to keep you warm and cosy this Heather Eco Stripe Fleece features a thermal brushed interior a structured hood that has internal adjustment for a comfortable fit that helps to trap heat. Swing Tech 4 way stretch gives full freedom of movement especially through your swing for a clean strike each time. A zippered chest pocket offers convenient and safe storage for your valuables so you can keep them on hand when you travel across the course.