It sounds like you’re asking why both men and women need T-shirts. T-shirts are a popular and versatile clothing item that is worn by people of all genders for various reasons:

1. Comfort: T-shirts are often made from soft and breathable materials, making them comfortable to wear in various situations, from casual outings to lounging at home.
2. Everyday Wear: T-shirts are a staple in many people’s wardrobes because they can be easily paired with jeans, shorts, skirts, and more. They provide a simple yet stylish option for daily dressing.
3. Casual Style: T-shirts offer a relaxed and casual look that suits a wide range of settings, such as hanging out with friends, running errands, or going to a casual workplace.
4. Versatility: T-shirts can be dressed up or down depending on how they’re accessorized. They can be worn under jackets, layered with sweaters, or paired with statement jewelry to create different looks.
5. Expression and Identity: T-shirts often feature various designs, logos, slogans, and graphics. People use T-shirts to express their interests, beliefs, and affiliations. This could include supporting a favorite sports team, showcasing pop culture references, or promoting social causes.
6. Customization: Many individuals and groups design custom T-shirts for events, reunions, fundraisers, and other occasions. This allows for personalization and a sense of unity among participants.
7. Promotional and Marketing Purposes: T-shirts are commonly used for promotional purposes by businesses, organizations, and events. They can serve as walking advertisements, spreading brand awareness.
8. Exercise and Sports: T-shirts are often worn during physical activities due to their comfort and breathability. They are commonly used for sports, workouts, and outdoor activities.
9. Layering: T-shirts can be worn as a base layer under other clothing items during colder months, providing an extra layer of warmth and comfort.
10. Unisex Design: T-shirts typically have a unisex design, making them suitable for people of all genders. They come in a variety of cuts and fits to accommodate different body types and preferences.

In summary, T-shirts are a versatile and essential clothing item that both men and women can benefit from due to their comfort, casual style, versatility, and various design options. They serve various purposes in daily life, from expressing personal identity to being practical wardrobe choices for different occasions.