The recommended amount of sunscreen to apply to each body site to get the SPF factor on the label:

Use more than half a teaspoon on each:

• Head and Neck
• Right arm
• Left arm

Use more than a teaspoon on each:

• Chest and Stomach
• Right Leg
• Left leg

Long Sleeve Clothes for High Energy Activities with Heavy Sweating

Waffle knit polyesters are lightweight, soft, extremely breathable and wick moisture off the skin to provide a comfortable feel even on a hot day. Performancebike.com makes a CoolMax Alta long sleeve jersey UPF 40 for $35. Polartec PowerDry UPF 15-20 is used in NorthFace's El Cap Shirt (altrec.com 800-369-3949) for $45. Other similar items can be found at sports and outdoor stores. Thin Coolmax over the calf sock liners protect the lower leg when wearing shorts with almost no warming effect.

Sun Protective Swimwear

Sunscreens even under ideal application guidelines still permit tanning and sundamage. Wearing a Lycra shirt provides significant sun protection and is not heavy and limiting as wearing a cotton T-shirt in the water. The garments are called rash guards or flash suits and can be purchased at dive or surf shops. www.diversdirect.com 1-800-dive-usa sells short sleeve rash guards for $20, long sleeve for $25 and full body suits for $50. www.sunproof.com 1-877-786-7848 or www.skin-savers.com sells children's and adult styles.

Lip Protection

Blistex Clear Advance spf 30 with avobenzone is available at some Kaisers and Drugstore.com. Zinc oxide blocks spf 30 with methoxycinnamate or spf 15 pure physical block for chemical sunscreen sensitive people are available from www.dermatome.com 1-800-225-7546.

Car Window Glass UV Filters

These are available for car side windows as clear plastic sheets commercially installed. Call Llumar at 888-288-7443 for referral to a local dealer. Sheeting can also be applied to home windows with the added benefit of preventing glass shattering during earthquakes.