The Lifestraw Personal Water Filter emerged as the best selling outdoor product on Amazon.com this holiday season, while Asics, Columbia, Duofold and Timberland earned spots  for their apparel and footwear.

The retailer said customers purchased enough Lifestraws, which were available through Amazon Prime at $19.95 Wednesday, to sustain more than 115,000 thirsty campers for a year. 

Amazon's other top selling products during the holidays were:

Sporting goods:

  • SKLZ Pro Mini Hoop;
  • SKLZ Pro Mini Hoop XL;
  • Spalding NBA Street Basketball, official size 7;
  • Wilson NFL MVP Football

Outdoor Recreation

  • Emergency Mylar Thermal Blankets;
  • Zippo A-Frame Hand Warmer

Men's Apparel

  • Duofold Men's Thermal Mid Weight Wicking Bottom;
  • Columbia Men's Steens Mountain Full Zip 2.0 Fleece Jacket;
  • Levi's Men's 501 Original Fit Jean

Women’s Apparel:

  • Columbia Women's Benton Springs Full-Zip Fleece Jacket;
  • Playtex Women's 18-Hour Original Comfort-Strap Bra #4693;
  • Hue Women's Ultra Leggings with Wide Waistband

Men’s Shoes:

  • Clarks Men's Bushacre 2 Desert Boots;
  • ASICS Men's GEL-Kayano 20 Running Shoe;
  • Timberland White Ledge Waterproof Boot

Women’s Shoes:

  • Dr. Martens Women's 1460 Originals Eight-Eye Lace-Up Boot;
  • Minnetonka Women's Cally Faux Fur Slipper;
  • ASICS Women's GEL-Kayano 20 Running Shoe

Amazon said more than 10 million new Amazon Prime subscribers took advantage of its free, two-day shipping worldwide for the first time during the holidays. The company estimated it shipped 100 million more items for free this holiday season than last, saving customer more than $2 billion in shipping fees.

Amazon added nearly a dozen new features and benefits to Prime in time for the holidays, including Prime Music, Prime Photos, Prime Pantry, Amazon Elements, critically-acclaimed and exclusive streaming content, early access to select Lightning Deals, exclusive pricing on select Amazon devices, exclusive pricing on Same-Day Delivery and more. Following the November launch of Prime Photos, members uploaded nearly one billion photos with free unlimited photo storage in Amazon Cloud Drive. In 2015, the company plans to expand its Prime Now program, which offers same day delivery in many U.S. markets.

Other highlights from Amazon's holiday season include:

  • Amazon shipped to 185 countries this holiday.
  • Sunday Delivery expanded across the country, delivering holiday packages to thousands of cities in the US.
  • This holiday, Amazon customers ordered more than 10 times as many items with Same-Day Delivery, over 2013.
  • The last Prime One-Day Shipping order on Amazon.com delivered in time for Christmas was placed on December 23, 2014 at 2:55 p.m. EST and shipped to Philadelphia, Pennsylvania. The order included Nature’s Miracle No More Marking, 24-ounce spray and a men’s Champion Evo Fleece Full Zip Hoodie.
  • The last Prime Now order that was delivered in time for Christmas included 3 different 12-packs of Bai5, 5 calorie, 100% Natural, Antioxidant Infused Beverage, 18-ounce bottles. Flavor varieties included Costa Rica Clementine, Limu Lemon and Molokai Coconut. The order was placed on December 24 at 10:24pm and was delivered at 11:06pm.
  • Nearly 60 percent of Amazon.com customers shopped using a mobile device this holiday. Mobile shopping accelerated as customers got later into the shopping season.
  • Cyber Monday continues to be Amazon.com’s peak mobile shopping day. Black Friday had the most rapid growth in mobile shopping.
  • Total holiday sales from the Amazon app for smartphones doubled in