20
items 
Every cheap cooling towel I tried before dried out and turned into a warm scarf within fifteen minutes. These stayed cold long enough to get through an entire relay race rotation without re-soaking.













There's always that one shady spot under a tree and forty parents fighting for it. Skip the turf war and bring your own breeze instead.













I got a sunburn through my t-shirt at field day two years ago. Learned the hard way that regular cotton does almost nothing against UV when you're standing still in direct sun for hours.













Two years ago I brought one 16 oz water bottle to a five-hour field day. By hour three I had a headache and spots in my vision. Never again.













Nobody warns you that field day means standing on asphalt that could fry an egg. My feet were throbbing by lunch last year, so I fixed that problem permanently.











