Forget your sports bra? You can borrow one

Good news for guests who tend to pack light or absent-mindedly: Westin has partnered with New Balance to create a free loaner program. Last year, 10 hotels started providing guests with apparel, such as running shoes with disposable insoles, shorts, shirts, socks, capri pants and sports bras. All properties will offer the service by the end of 2011.

Despite the visceral ick response, the hotel has received encouraging feedback from guests who slipped on the communal togs. In a survey, 60 percent of individuals who borrowed gear at the Westin Boston Waterfront and the Westin Michigan Avenue in Chicago said they worked out because of the program. In addition, 87 percent said they were more likely to stay at a Westin because of the perk.

Fairmont has a similar arrangement with Adidas, available to its frequent-stay members.