Privacy Policy

Last Updated: [02/26/2026]

1. Introduction

THRML° (“Company,” “we,” “our,” or “us”) is committed to protecting your privacy and safeguarding your personal information. This Privacy Policy explains how we collect, use, disclose, and protect information when you access our website, purchase our products, or otherwise interact with us.

By using our website, you consent to the practices described in this Policy.

2. Information We Collect

Personal Information

When you place an order or interact with THRML°, we may collect:

- Full name

- Billing and shipping address

- Email address

- Telephone number

- Payment details (processed securely via third-party providers)

Automatically Collected Information

We may automatically collect:

- IP address

- Browser type and device information

- Usage behavior and browsing patterns

- Cookies and similar tracking technologies

3. How We Use Your Information

We use collected information to:

- Process and fulfill orders

- Provide customer service and order updates

- Detect and prevent fraud or unauthorized transactions

- Improve website functionality and user experience

- Conduct analytics and performance tracking

- Send marketing communications (only if you opt in)

We do not sell personal information.

4. Third-Party Services

We may share limited information with trusted service providers, including:

- Payment processors

- Shipping carriers

- E-commerce platforms (e.g., Shopify)

- Analytics providers

These parties are obligated to use your information solely to perform services on our behalf.

5. Data Security

We implement reasonable administrative, technical, and physical safeguards to protect your personal information. However, no method of transmission over the Internet is 100% secure, and we cannot guarantee absolute security.

6. Data Retention

We retain personal information as long as necessary to fulfill orders, comply with legal obligations, resolve disputes, and enforce agreements.

7. Your Rights

Depending on your jurisdiction, you may have rights including:

- Access to personal data

- Correction of inaccurate data

- Request for deletion

- Opt-out of marketing communications

To exercise your rights, contact: [support@thrmlwear.com]

8. Changes

We reserve the right to update this Privacy Policy at any time. Continued use of the site constitutes acceptance of any revisions.

Behind the Sauna Cap

Intentional high-heat exposure creates a measurable physiological response: skin temperature rises, sweating increases, cardiovascular demand elevates, and the body works continuously to regulate heat stress. But the intensity of that experience is not driven by core temperature alone — local thermal sensation matters, and the head is one of the most influential regions in how heat is perceived overall. Research on thermoregulation and regional comfort has shown that warming or cooling the head can disproportionately affect whole-body heat perception, which is what makes a sauna cap scientifically meaningful. Rather than interrupting the sauna experience, a merino wool sauna cap is designed to create a buffered microclimate around the scalp and hair, helping reduce the abruptness of direct dry heat exposure in one of the body’s most thermally sensitive areas. Merino wool is particularly relevant because it combines breathable insulation with excellent moisture-vapor buffering, meaning it can help regulate the environment around the head without trapping heat in the way less functional materials might. While clinical trials specifically on sauna caps remain limited, the physiology behind the category is well supported: by managing local heat transfer, humidity, and exposure at the scalp, a sauna cap is designed to support comfort, help shield hair and skin from intense direct heat, and preserve the integrity of the sauna session through more controlled thermal protection.

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Behind the Cooling Briefs

Male reproductive physiology depends heavily on temperature regulation, which is why the testes are positioned outside the body in the first place: normal spermatogenesis functions best below core body temperature, and even modest increases in scrotal heat can negatively influence sperm production, motility, and related reproductive markers. That relationship between temperature and male reproductive health is one of the most established findings in the literature, and it is further supported by studies showing that factors like prolonged sitting, tight clothing, and external heat exposure can all contribute to increased local thermal burden. Cooling briefs are built around that biological reality. Rather than making exaggerated claims, the strongest scientific case is that they serve as a targeted temperature-management system for a region where heat regulation matters. Human feasibility research has even shown that specialized cooling underwear can meaningfully reduce scrotal skin temperature in real-world conditions, reinforcing the idea that wearable cooling can alter the local thermal environment without disrupting daily function. So while no responsible product should claim to act as a fertility treatment on its own, the mechanism is clear and well grounded: by helping reduce localized heat accumulation in one of the body’s most temperature-sensitive regions, cooling briefs are designed to support a cooler, more controlled environment where thermoregulation, comfort, and reproductive biology intersect.