TSL 418 Access
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Here's what other sites are saying:
TSL Access grip models are fitted with an Up&Down lift (TSL patent) to reduce the effects of walking uphill and downhill (the back of the binding passes under the frame to keep the foot flat and prevent it from pressing against the toe of the shoe). The Access binding allows you to put the snowshoe on quickly, precisely and comfortably, and it memorizes the size of your shoe.
The TSL 418 Access snowshoes are the first snowshoes to offer a heel lift for going up and a mechanism to let the heel drop for going down. Reduces calf strain on the uphill and pinched toes on the downhill.